mirror of
https://github.com/mauiaaron/apple2.git
synced 2024-06-01 13:41:28 +00:00
948 lines
31 KiB
C
948 lines
31 KiB
C
/*
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* Apple // emulator for *ix
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*
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* This software package is subject to the GNU General Public License
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* version 3 or later (your choice) as published by the Free Software
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* Foundation.
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*
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* Copyright 2013-2015 Aaron Culliney
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*
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*/
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#include "video/gltouchjoy.h"
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#if !INTERFACE_TOUCH
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#error this is a touch interface module, possibly you mean to not compile this at all?
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#endif
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#define MODEL_DEPTH -1/32.f
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#define AXIS_TEMPLATE_COLS 3
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#define AXIS_TEMPLATE_ROWS 3
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#define BUTTON_TEMPLATE_COLS 1
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#define BUTTON_TEMPLATE_ROWS 1
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#define AXIS_FB_WIDTH (AXIS_TEMPLATE_COLS * FONT80_WIDTH_PIXELS)
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#define AXIS_FB_HEIGHT (AXIS_TEMPLATE_ROWS * FONT_HEIGHT_PIXELS)
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#define BUTTON_FB_WIDTH (BUTTON_TEMPLATE_COLS * FONT80_WIDTH_PIXELS)
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#define BUTTON_FB_HEIGHT (BUTTON_TEMPLATE_ROWS * FONT_HEIGHT_PIXELS)
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#define AXIS_OBJ_W 0.15
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#define AXIS_OBJ_H 0.2
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#define BUTTON_OBJ_W 0.075
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#define BUTTON_OBJ_H 0.1
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#define BUTTON_SWITCH_THRESHOLD_DEFAULT 22
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GLTouchJoyGlobals joyglobals = { 0 };
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typedef struct variant_params_s {
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GLModel *model; // origin model/texture
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GLModel *azimuthModel; // azimuth model
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void (*setupButtonModel)(char);
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int centerX;
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int centerY;
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int trackingIndex;
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GLfloat obj_w;
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GLfloat obj_h;
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struct timespec timingBegin;
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uint8_t activeChar;
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bool modelDirty;
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} variant_params_s;
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static variant_params_s axes = { 0 };
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static variant_params_s butt = { 0 };
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static struct {
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GLTouchJoyVariant *joys;
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GLTouchJoyVariant *kpad;
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GLTouchJoyVariant *curr;
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} variant = { 0 };
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// viewport touch
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static struct {
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int width;
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int height;
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// Axis box
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int axisX;
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int axisXMax;
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int axisY;
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int axisYMax;
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// Button box
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int buttX;
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int buttXMax;
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int buttY;
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int buttYMax;
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} touchport = { 0 };
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#define AZIMUTH_CLASS(CLS, ...) \
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MODEL_CLASS(CLS, \
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GLuint vertShader; \
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GLuint fragShader; \
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GLuint program; \
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GLint uniformSolidColorIdx; \
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GLint uniformMVPIdx;);
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AZIMUTH_CLASS(GLModelJoystickAzimuth);
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static void gltouchjoy_applyPrefs(void);
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static void gltouchjoy_shutdown(void);
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// ----------------------------------------------------------------------------
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// joystick azimuth model
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static void _azimuth_destroy_model(GLModel *parent) {
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GLModelJoystickAzimuth *azimuthJoystick = (GLModelJoystickAzimuth *)parent->custom;
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if (!azimuthJoystick) {
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return;
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}
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// detach and delete the Azimuth shaders
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// 2015/11/06 NOTE : Tegra 2 for mobile has a bug whereby you cannot detach/delete shaders immediately after
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// creating the program. So we delete them during the shutdown sequence instead.
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// https://code.google.com/p/android/issues/detail?id=61832
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if (azimuthJoystick->program != UNINITIALIZED_GL) {
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glDetachShader(azimuthJoystick->program, azimuthJoystick->vertShader);
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glDetachShader(azimuthJoystick->program, azimuthJoystick->fragShader);
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glDeleteShader(azimuthJoystick->vertShader);
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glDeleteShader(azimuthJoystick->fragShader);
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azimuthJoystick->vertShader = UNINITIALIZED_GL;
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azimuthJoystick->fragShader = UNINITIALIZED_GL;
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glDeleteProgram(azimuthJoystick->program);
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azimuthJoystick->program = UNINITIALIZED_GL;
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}
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FREE(parent->custom);
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}
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static void *_azimuth_create_model(GLModel *parent) {
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parent->custom = CALLOC(sizeof(GLModelJoystickAzimuth), 1);
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GLModelJoystickAzimuth *azimuthJoystick = (GLModelJoystickAzimuth *)parent->custom;
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if (!azimuthJoystick) {
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return NULL;
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}
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// degenerate the quad model into just a single line model ... (should not need to adjust allocated memory size
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// since we should be using less than what was originally allocated)
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parent->primType = GL_LINES;
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parent->numVertices = 2;
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GLsizei posTypeSize = getGLTypeSize(parent->positionType);
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parent->positionArraySize = (parent->positionSize * posTypeSize * parent->numVertices);
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parent->numElements = 2;
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GLsizei eltTypeSize = getGLTypeSize(parent->elementType);
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parent->elementArraySize = (eltTypeSize * parent->numElements);
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azimuthJoystick->vertShader = UNINITIALIZED_GL;
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azimuthJoystick->fragShader = UNINITIALIZED_GL;
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azimuthJoystick->program = UNINITIALIZED_GL;
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azimuthJoystick->uniformSolidColorIdx = UNINITIALIZED_GL;
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azimuthJoystick->uniformMVPIdx = UNINITIALIZED_GL;
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bool err = true;
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demoSource *vtxSource = NULL;
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demoSource *frgSource = NULL;
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do {
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// load/setup specific shaders
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vtxSource = glshader_createSource("SolidColor.vsh");
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if (!vtxSource) {
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LOG("Cannot compile vertex shader for joystick azimuth!");
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break;
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}
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frgSource = glshader_createSource("SolidColor.fsh");
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if (!frgSource) {
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LOG("Cannot compile fragment shader for joystick azimuth!");
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break;
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}
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// Build/use Program
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azimuthJoystick->program = glshader_buildProgram(vtxSource, frgSource, /*withTexcoord:*/false, &azimuthJoystick->vertShader, &azimuthJoystick->fragShader);
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// Get uniforms locations
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azimuthJoystick->uniformSolidColorIdx = glGetUniformLocation(azimuthJoystick->program, "solidColor");
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if (azimuthJoystick->uniformSolidColorIdx < 0) {
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LOG("OOPS, no solidColor uniform in Azimuth shader : %d", azimuthJoystick->uniformSolidColorIdx);
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break;
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}
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azimuthJoystick->uniformMVPIdx = glGetUniformLocation(azimuthJoystick->program, "modelViewProjectionMatrix");
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if (azimuthJoystick->uniformMVPIdx < 0) {
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LOG("OOPS, no modelViewProjectionMatrix in Azimuth shader : %d", azimuthJoystick->uniformMVPIdx);
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break;
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}
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err = false;
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} while (0);
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GL_MAYBELOG("build Aziumth joystick");
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if (vtxSource) {
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glshader_destroySource(vtxSource);
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}
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if (frgSource) {
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glshader_destroySource(frgSource);
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}
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if (err) {
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_azimuth_destroy_model(parent);
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azimuthJoystick = NULL;
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}
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return azimuthJoystick;
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}
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static void _azimuth_render(GLModel *azimuthModel) {
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if (!azimuthModel) {
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return;
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}
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GLModelJoystickAzimuth *azimuthJoystick = (GLModelJoystickAzimuth *)azimuthModel->custom;
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// use azimuth (SolidColor) program
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glUseProgram(azimuthJoystick->program);
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glUniformMatrix4fv(azimuthJoystick->uniformMVPIdx, 1, GL_FALSE, mvpIdentity);
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// set the solid color values
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{
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float R = 0.f;
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float G = 0.f;
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float B = 0.f;
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float A = 1.f;
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switch (glhud_currentColorScheme) {
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case GREEN_ON_BLACK:
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G = 1.f;
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break;
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case GREEN_ON_BLUE:
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G = 1.f; // TODO FIXME : background colors ...
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break;
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case BLUE_ON_BLACK:
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B = 1.f;
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break;
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case WHITE_ON_BLACK:
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R = 1.f; G = 1.f; B = 1.f;
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break;
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case RED_ON_BLACK:
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default:
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R = 1.f;
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break;
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}
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glUniform4f(azimuthJoystick->uniformSolidColorIdx, R, G, B, A);
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}
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// NOTE : assuming we should just upload new postion data every time ...
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glBindBuffer(GL_ARRAY_BUFFER, azimuthModel->posBufferName);
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glBufferData(GL_ARRAY_BUFFER, azimuthModel->positionArraySize, azimuthModel->positions, GL_DYNAMIC_DRAW);
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// Bind our vertex array object
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#if USE_VAO
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glBindVertexArray(azimuthModel->vaoName);
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#else
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glBindBuffer(GL_ARRAY_BUFFER, azimuthModel->posBufferName);
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GLsizei posTypeSize = getGLTypeSize(azimuthModel->positionType);
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// Set up parmeters for position attribute in the VAO including, size, type, stride, and offset in the currenly
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// bound VAO This also attaches the position VBO to the VAO
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glVertexAttribPointer(POS_ATTRIB_IDX, // What attibute index will this array feed in the vertex shader (see buildProgram)
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azimuthModel->positionSize, // How many elements are there per position?
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azimuthModel->positionType, // What is the type of this data?
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GL_FALSE, // Do we want to normalize this data (0-1 range for fixed-pont types)
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azimuthModel->positionSize*posTypeSize, // What is the stride (i.e. bytes between positions)?
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0); // What is the offset in the VBO to the position data?
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glEnableVertexAttribArray(POS_ATTRIB_IDX);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, azimuthModel->elementBufferName);
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#endif
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// draw it
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glDrawElements(azimuthModel->primType, azimuthModel->numElements, azimuthModel->elementType, 0);
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// back to main framebuffer/quad program
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glUseProgram(mainShaderProgram);
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GL_MAYBELOG("Azimuth render");
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}
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// ----------------------------------------------------------------------------
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static void _setup_axis_hud(GLModel *parent) {
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if (UNLIKELY(!parent)) {
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LOG("gltouchjoy WARN : cannot setup axis object without parent");
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return;
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}
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if (!joyglobals.showControls) {
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return;
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}
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GLModelHUDElement *hudElement = (GLModelHUDElement *)parent->custom;
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if (hudElement->tpl == NULL) {
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// deferred construction ...
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const char axisTemplate[AXIS_TEMPLATE_ROWS][AXIS_TEMPLATE_COLS+1] = {
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" @ ",
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"@+@",
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" @ ",
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};
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const unsigned int size = sizeof(axisTemplate);
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hudElement->tpl = CALLOC(size, 1);
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hudElement->tplWidth = AXIS_TEMPLATE_COLS;
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hudElement->tplHeight = AXIS_TEMPLATE_ROWS;
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memcpy(hudElement->tpl, axisTemplate, size);
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hudElement->pixels = CALLOC(AXIS_FB_WIDTH * AXIS_FB_HEIGHT * PIXEL_STRIDE, 1);
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hudElement->pixWidth = AXIS_FB_WIDTH;
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hudElement->pixHeight = AXIS_FB_HEIGHT;
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}
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const unsigned int row = (AXIS_TEMPLATE_COLS+1);
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uint8_t *rosetteChars = (parent == axes.model)
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? variant.curr->axisRosetteChars()
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: variant.curr->buttRosetteChars();
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if (rosetteChars) {
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for (unsigned int i=0; i<ROSETTE_ROWS; i++) {
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for (unsigned int j=0; j<ROSETTE_COLS; j++) {
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((hudElement->tpl)+(row*i))[j] = rosetteChars[(i*ROSETTE_ROWS)+j];
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}
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}
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}
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glhud_setupDefault(parent);
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}
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static void *_create_axis_hud(GLModel *parent) {
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parent->custom = glhud_createDefault();
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GLModelHUDElement *hudElement = (GLModelHUDElement *)parent->custom;
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if (hudElement) {
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hudElement->blackIsTransparent = true;
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_setup_axis_hud(parent);
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}
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return hudElement;
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}
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static void _setup_button_hud(GLModel *parent) {
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if (UNLIKELY(!parent)) {
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LOG("gltouchjoy WARN : cannot setup button object without parent");
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return;
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}
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if (!joyglobals.showControls) {
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return;
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}
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GLModelHUDElement *hudElement = (GLModelHUDElement *)parent->custom;
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if (hudElement->tpl == NULL) {
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// deferred construction ...
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const char buttonTemplate[BUTTON_TEMPLATE_ROWS][BUTTON_TEMPLATE_COLS+1] = {
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"@",
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};
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const unsigned int size = sizeof(buttonTemplate);
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hudElement->tpl = CALLOC(size, 1);
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hudElement->tplWidth = BUTTON_TEMPLATE_COLS;
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hudElement->tplHeight = BUTTON_TEMPLATE_ROWS;
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memcpy(hudElement->tpl, buttonTemplate, size);
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hudElement->pixels = CALLOC(BUTTON_FB_WIDTH * BUTTON_FB_HEIGHT * PIXEL_STRIDE, 1);
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hudElement->pixWidth = BUTTON_FB_WIDTH;
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hudElement->pixHeight = BUTTON_FB_HEIGHT;
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}
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const unsigned int row = (BUTTON_TEMPLATE_COLS+1);
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((hudElement->tpl)+(row*0))[0] = butt.activeChar;
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glhud_setupDefault(parent);
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}
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static void *_create_button_hud(GLModel *parent) {
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parent->custom = glhud_createDefault();
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GLModelHUDElement *hudElement = (GLModelHUDElement *)parent->custom;
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if (hudElement) {
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hudElement->blackIsTransparent = true;
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_setup_button_hud(parent);
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}
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return hudElement;
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}
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static inline void _setup_button_object_nop(char newChar) {
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(void)newChar;
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}
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static inline void _setup_button_object_with_char(char newChar) {
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if (butt.activeChar != newChar) {
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butt.activeChar = newChar;
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_setup_button_hud(butt.model);
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}
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}
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// ----------------------------------------------------------------------------
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static inline void resetState() {
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LOG("...");
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axes.trackingIndex = TRACKING_NONE;
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butt.trackingIndex = TRACKING_NONE;
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variant.joys->resetState();
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variant.kpad->resetState();
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}
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static void _setup_axis_models(variant_params_s *params) {
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params->model = mdlCreateQuad((GLModelParams_s){
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.skew_x = -1.05,
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.skew_y = -1.0,
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.z = MODEL_DEPTH,
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.obj_w = AXIS_OBJ_W,
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.obj_h = AXIS_OBJ_H,
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.positionUsageHint = GL_DYNAMIC_DRAW, // positions can change
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.tex_w = AXIS_FB_WIDTH,
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.tex_h = AXIS_FB_HEIGHT,
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.texcoordUsageHint = GL_DYNAMIC_DRAW, // so can texture
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}, (GLCustom){
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.create = &_create_axis_hud,
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.destroy = &glhud_destroyDefault,
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});
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if (!params->model) {
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LOG("gltouchjoy not initializing axis");
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return;
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}
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if (!params->model->custom) {
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LOG("gltouchjoy axes initialization problem");
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return;
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}
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_setup_axis_hud(params->model);// HACK : twice to ensure correct template ...
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params->obj_w = AXIS_OBJ_W;
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params->obj_h = AXIS_OBJ_H;
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// axis azimuth object
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bool azimuthError = true;
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do {
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params->azimuthModel = mdlCreateQuad((GLModelParams_s){
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.skew_x = -1.05,
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.skew_y = -1.0,
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.z = MODEL_DEPTH,
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.obj_w = AXIS_OBJ_W,
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.obj_h = AXIS_OBJ_H,
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.positionUsageHint = GL_DYNAMIC_DRAW, // positions can change
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.tex_w = 0,
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.tex_h = 0,
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.texcoordUsageHint = UNINITIALIZED_GL, // no texture data
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}, (GLCustom){
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.create = &_azimuth_create_model,
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.destroy = &_azimuth_destroy_model,
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});
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if (!params->azimuthModel) {
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LOG("gltouchjoy azimuth model initialization problem");
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break;
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}
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if (!params->azimuthModel->custom) {
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LOG("gltouchjoy azimuth custom model initialization problem");
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break;
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}
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azimuthError = false;
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} while (0);
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if (azimuthError) {
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mdlDestroyModel(¶ms->azimuthModel);
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}
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}
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static void gltouchjoy_setup(void) {
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LOG("...");
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gltouchjoy_shutdown();
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if (joyglobals.prefsChanged) {
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gltouchjoy_applyPrefs();
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}
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// axis origin object
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_setup_axis_models(&axes);
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// button object
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long lVal = 0;
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if (variant.curr->variant() == TOUCH_DEVICE_JOYSTICK_KEYPAD) {
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_setup_axis_models(&butt);
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butt.setupButtonModel = &_setup_button_object_nop;
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} else {
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butt.setupButtonModel = &_setup_button_object_with_char;
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if (!prefs_parseLongValue(PREF_DOMAIN_JOYSTICK, PREF_JOY_TOUCHDOWN_CHAR, &lVal, /*base:*/10)) {
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butt.activeChar = MOUSETEXT_OPENAPPLE;
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} else {
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if (lVal == TOUCH_BUTTON2) {
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butt.activeChar = MOUSETEXT_CLOSEDAPPLE;
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} else if (lVal == TOUCH_BOTH) {
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butt.activeChar = '+';
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} else {
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butt.activeChar = MOUSETEXT_OPENAPPLE;
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}
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}
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butt.azimuthModel = NULL;
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butt.model = mdlCreateQuad((GLModelParams_s){
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.skew_x = 1.05-BUTTON_OBJ_W,
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.skew_y = -1.0,
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.z = MODEL_DEPTH,
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.obj_w = BUTTON_OBJ_W,
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.obj_h = BUTTON_OBJ_H,
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.positionUsageHint = GL_DYNAMIC_DRAW, // positions can change
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.tex_w = BUTTON_FB_WIDTH,
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.tex_h = BUTTON_FB_HEIGHT,
|
|
.texcoordUsageHint = GL_DYNAMIC_DRAW, // so can texture
|
|
}, (GLCustom){
|
|
.create = &_create_button_hud,
|
|
.destroy = &glhud_destroyDefault,
|
|
});
|
|
if (!butt.model) {
|
|
LOG("gltouchjoy not initializing buttons");
|
|
return;
|
|
}
|
|
if (!butt.model->custom) {
|
|
LOG("gltouchjoy buttons initialization problem");
|
|
return;
|
|
}
|
|
butt.obj_w = BUTTON_OBJ_W;
|
|
butt.obj_h = BUTTON_OBJ_H;
|
|
}
|
|
|
|
variant.joys->setup();
|
|
variant.kpad->setup();
|
|
|
|
struct timespec now;
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
axes.timingBegin = now;
|
|
butt.timingBegin = now;
|
|
|
|
joyglobals.isAvailable = true;
|
|
|
|
if (joyglobals.ownsScreen) {
|
|
video_getAnimationDriver()->animation_showTouchJoystick();
|
|
}
|
|
}
|
|
|
|
static void gltouchjoy_shutdown(void) {
|
|
LOG("gltouchjoy_shutdown ...");
|
|
if (!joyglobals.isAvailable) {
|
|
return;
|
|
}
|
|
|
|
resetState();
|
|
|
|
joyglobals.isAvailable = false;
|
|
|
|
variant.joys->shutdown();
|
|
variant.kpad->shutdown();
|
|
|
|
mdlDestroyModel(&axes.model);
|
|
mdlDestroyModel(&axes.azimuthModel);
|
|
mdlDestroyModel(&butt.model);
|
|
mdlDestroyModel(&butt.azimuthModel);
|
|
}
|
|
|
|
static void _render_glmodels(variant_params_s *params, int textureActive, int textureId) {
|
|
float alpha = 1.f;
|
|
if (params->trackingIndex == TRACKING_NONE) {
|
|
alpha = glhud_getTimedVisibility(params->timingBegin, joyglobals.minAlpha, 1.0);
|
|
if (alpha < joyglobals.minAlpha) {
|
|
alpha = joyglobals.minAlpha;
|
|
}
|
|
}
|
|
if (alpha > 0.0) {
|
|
GLModel *model = params->model;
|
|
glUniform1f(alphaValue, alpha);
|
|
|
|
glActiveTexture(textureActive);
|
|
glBindTexture(GL_TEXTURE_2D, model->textureName);
|
|
if (model->texDirty) {
|
|
model->texDirty = false;
|
|
_HACKAROUND_GLTEXIMAGE2D_PRE(textureActive, model->textureName);
|
|
glTexImage2D(GL_TEXTURE_2D, /*level*/0, TEX_FORMAT_INTERNAL, model->texWidth, model->texHeight, /*border*/0, TEX_FORMAT, TEX_TYPE, model->texPixels);
|
|
}
|
|
if (params->modelDirty) {
|
|
params->modelDirty = false;
|
|
glBindBuffer(GL_ARRAY_BUFFER, model->posBufferName);
|
|
glBufferData(GL_ARRAY_BUFFER, model->positionArraySize, model->positions, GL_DYNAMIC_DRAW);
|
|
}
|
|
glUniform1i(texSamplerLoc, textureId);
|
|
glhud_renderDefault(model);
|
|
}
|
|
|
|
if (joyglobals.showAzimuth && params->trackingIndex != TRACKING_NONE) {
|
|
_azimuth_render(params->azimuthModel);
|
|
}
|
|
}
|
|
|
|
static void gltouchjoy_render(void) {
|
|
if (!joyglobals.isAvailable) {
|
|
return;
|
|
}
|
|
if (UNLIKELY(joyglobals.prefsChanged)) {
|
|
gltouchjoy_setup(); // fully set up again on prefs change
|
|
}
|
|
if (!joyglobals.ownsScreen) {
|
|
return;
|
|
}
|
|
if (!joyglobals.showControls) {
|
|
return;
|
|
}
|
|
|
|
glViewport(0, 0, touchport.width, touchport.height); // NOTE : show these HUD elements beyond the A2 framebuffer dimensions
|
|
|
|
// draw axis
|
|
_render_glmodels(&axes, TEXTURE_ACTIVE_TOUCHJOY_AXIS, TEXTURE_ID_TOUCHJOY_AXIS);
|
|
|
|
// draw button(s)
|
|
char active = variant.curr->buttActiveChar();
|
|
butt.setupButtonModel(active);
|
|
_render_glmodels(&butt, TEXTURE_ACTIVE_TOUCHJOY_BUTTON, TEXTURE_ID_TOUCHJOY_BUTTON);
|
|
}
|
|
|
|
static void gltouchjoy_reshape(int w, int h, bool landscape) {
|
|
LOG("w:%d h:%d landscape:%d", w, h, landscape);
|
|
assert(video_isRenderThread());
|
|
|
|
swizzleDimensions(&w, &h, landscape);
|
|
touchport.width = w;
|
|
touchport.height = h;
|
|
|
|
touchport.axisY = 0;
|
|
touchport.axisYMax = h;
|
|
touchport.buttY = 0;
|
|
touchport.buttYMax = h;
|
|
|
|
if (joyglobals.axisIsOnLeft) {
|
|
touchport.axisX = 0;
|
|
touchport.axisXMax = (w * joyglobals.screenDivider);
|
|
touchport.buttX = (w * joyglobals.screenDivider);
|
|
touchport.buttXMax = w;
|
|
} else {
|
|
touchport.buttX = 0;
|
|
touchport.buttXMax = (w * joyglobals.screenDivider);
|
|
touchport.axisX = (w * joyglobals.screenDivider);
|
|
touchport.axisXMax = w;
|
|
}
|
|
}
|
|
|
|
static inline bool _is_point_on_axis_side(int x, int y) {
|
|
return (x >= touchport.axisX && x <= touchport.axisXMax && y >= touchport.axisY && y <= touchport.axisYMax);
|
|
}
|
|
|
|
static inline void _reset_model_position(GLModel *model, float touchX, float touchY, float objHalfW, float objHalfH, GLModel *azimuthModel) {
|
|
|
|
float centerX = 0.f;
|
|
float centerY = 0.f;
|
|
glhud_screenToModel(touchX, touchY, touchport.width, touchport.height, ¢erX, ¢erY);
|
|
|
|
/* 2...3
|
|
* .
|
|
* .
|
|
* .
|
|
* 0...1
|
|
*/
|
|
|
|
GLfloat *quad = (GLfloat *)(model->positions);
|
|
quad[0 +0] = centerX-objHalfW;
|
|
quad[0 +1] = centerY-objHalfH;
|
|
quad[4 +0] = centerX+objHalfW;
|
|
quad[4 +1] = centerY-objHalfH;
|
|
quad[8 +0] = centerX-objHalfW;
|
|
quad[8 +1] = centerY+objHalfH;
|
|
quad[12+0] = centerX+objHalfW;
|
|
quad[12+1] = centerY+objHalfH;
|
|
|
|
if (azimuthModel) {
|
|
GLfloat *quadAzimuth = (GLfloat *)(azimuthModel->positions);
|
|
quadAzimuth[0 +0] = centerX;
|
|
quadAzimuth[0 +1] = centerY;
|
|
quadAzimuth[4 +0] = centerX;
|
|
quadAzimuth[4 +1] = centerY;
|
|
}
|
|
}
|
|
|
|
static void _touch_down(variant_params_s *params, int pointer_idx, int x, int y, void(*downFn)(void)) {
|
|
params->trackingIndex = pointer_idx;
|
|
params->centerX = x;
|
|
params->centerY = y;
|
|
_reset_model_position(params->model, x, y, (params->obj_w/2.f), (params->obj_h/2.f), params->azimuthModel);
|
|
params->modelDirty = true;
|
|
downFn();
|
|
}
|
|
|
|
static void _touch_move(variant_params_s *params, float *x_coords, float *y_coords, void (*moveFn)(int, int)) {
|
|
int x = (int)x_coords[params->trackingIndex];
|
|
int y = (int)y_coords[params->trackingIndex];
|
|
|
|
if (joyglobals.showAzimuth && params->azimuthModel) {
|
|
float centerX = 0.f;
|
|
float centerY = 0.f;
|
|
glhud_screenToModel(x, y, touchport.width, touchport.height, ¢erX, ¢erY);
|
|
GLfloat *quadAzimuth = (GLfloat *)params->azimuthModel->positions;
|
|
quadAzimuth[4 +0] = centerX;
|
|
quadAzimuth[4 +1] = centerY;
|
|
};
|
|
|
|
x -= params->centerX;
|
|
y -= params->centerY;
|
|
moveFn(x, y);
|
|
}
|
|
|
|
static void _touch_up(variant_params_s *params, float *x_coords, float *y_coords, variant_params_s *altParams, void(*upFn)(int, int), const char *altTag) {
|
|
|
|
struct timespec now;
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
params->timingBegin = now;
|
|
|
|
int x = (int)x_coords[params->trackingIndex] - params->centerX;
|
|
int y = (int)y_coords[params->trackingIndex] - params->centerY;
|
|
|
|
if (altParams->trackingIndex > params->trackingIndex) {
|
|
TOUCH_JOY_LOG("\t!!! : DECREMENTING %s.trackingIndex", altTag);
|
|
--altParams->trackingIndex;
|
|
}
|
|
|
|
upFn(x, y);
|
|
params->trackingIndex = TRACKING_NONE;
|
|
}
|
|
|
|
static int64_t gltouchjoy_onTouchEvent(interface_touch_event_t action, int pointer_count, int pointer_idx, float *x_coords, float *y_coords) {
|
|
if (!joyglobals.isAvailable) {
|
|
return 0x0LL;
|
|
}
|
|
if (UNLIKELY(joyglobals.prefsChanged)) {
|
|
return 0x0LL;
|
|
}
|
|
if (!joyglobals.ownsScreen) {
|
|
return 0x0LL;
|
|
}
|
|
|
|
switch (action) {
|
|
case TOUCH_DOWN:
|
|
case TOUCH_POINTER_DOWN:
|
|
TOUCH_JOY_LOG("------DOWN:");
|
|
{
|
|
int x = (int)x_coords[pointer_idx];
|
|
int y = (int)y_coords[pointer_idx];
|
|
if (_is_point_on_axis_side(x, y)) {
|
|
if (pointer_idx == butt.trackingIndex) {
|
|
TOUCH_JOY_LOG("\t!!! : INCREMENTING buttons.trackingIndex");
|
|
++butt.trackingIndex;
|
|
}
|
|
if (axes.trackingIndex != TRACKING_NONE) {
|
|
TOUCH_JOY_LOG("\t!!! : IGNORING OTHER AXIS TOUCH DOWN %d", pointer_idx);
|
|
} else {
|
|
_touch_down(&axes, pointer_idx, x, y, variant.curr->axisDown);
|
|
}
|
|
} else {
|
|
if (pointer_idx == axes.trackingIndex) {
|
|
TOUCH_JOY_LOG("\t!!! : INCREMENTING axes.trackingIndex");
|
|
++axes.trackingIndex;
|
|
}
|
|
if (butt.trackingIndex != TRACKING_NONE) {
|
|
TOUCH_JOY_LOG("\t!!! : IGNORING OTHER BUTTON TOUCH DOWN %d", pointer_idx);
|
|
} else {
|
|
_touch_down(&butt, pointer_idx, x, y, variant.curr->buttonDown);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TOUCH_MOVE:
|
|
TOUCH_JOY_LOG("------MOVE:");
|
|
if (axes.trackingIndex >= 0) {
|
|
_touch_move(&axes, x_coords, y_coords, variant.curr->axisMove);
|
|
}
|
|
if (butt.trackingIndex >= 0) {
|
|
_touch_move(&butt, x_coords, y_coords, variant.curr->buttonMove);
|
|
}
|
|
break;
|
|
|
|
case TOUCH_UP:
|
|
case TOUCH_POINTER_UP:
|
|
TOUCH_JOY_LOG("------UP:");
|
|
if (pointer_idx == axes.trackingIndex) {
|
|
_touch_up(&axes, x_coords, y_coords, /*alt:*/&butt, variant.curr->axisUp, "buttons");
|
|
} else if (pointer_idx == butt.trackingIndex) {
|
|
_touch_up(&butt, x_coords, y_coords, /*alt:*/&axes, variant.curr->buttonUp, "axis");
|
|
} else {
|
|
if (pointer_count == 1) {
|
|
TOUCH_JOY_LOG("\t!!! : RESETTING TOUCH JOYSTICK STATE MACHINE");
|
|
resetState();
|
|
} else {
|
|
TOUCH_JOY_LOG("\t!!! : IGNORING OTHER TOUCH UP %d", pointer_idx);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case TOUCH_CANCEL:
|
|
LOG("---TOUCH CANCEL");
|
|
resetState();
|
|
break;
|
|
|
|
default:
|
|
LOG("!!! UNKNOWN TOUCH EVENT : %d", action);
|
|
break;
|
|
}
|
|
|
|
return TOUCH_FLAGS_HANDLED | TOUCH_FLAGS_JOY;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
static void _animation_showTouchJoystick(void) {
|
|
if (!joyglobals.isAvailable) {
|
|
return;
|
|
}
|
|
|
|
int x;
|
|
int y;
|
|
|
|
x = touchport.axisX + ((touchport.axisXMax - touchport.axisX)/2);
|
|
y = touchport.axisY + ((touchport.axisYMax - touchport.axisY)/2);
|
|
_reset_model_position(axes.model, x, y, (axes.obj_w/2.f), (axes.obj_h/2.f), NULL);
|
|
axes.modelDirty = true;
|
|
|
|
x = touchport.buttX + ((touchport.buttXMax - touchport.buttX)/2);
|
|
y = touchport.buttY + ((touchport.buttYMax - touchport.buttY)/2);
|
|
_reset_model_position(butt.model, x, y, (butt.obj_w/2.f), (butt.obj_h/2.f), NULL);
|
|
butt.modelDirty = true;
|
|
|
|
struct timespec now;
|
|
clock_gettime(CLOCK_MONOTONIC, &now);
|
|
axes.timingBegin = now;
|
|
butt.timingBegin = now;
|
|
}
|
|
|
|
static void _animation_hideTouchJoystick(void) {
|
|
if (!joyglobals.isAvailable) {
|
|
return;
|
|
}
|
|
axes.timingBegin = (struct timespec){ 0 };
|
|
butt.timingBegin = (struct timespec){ 0 };
|
|
}
|
|
|
|
static void gltouchjoy_applyPrefs(void) {
|
|
assert(video_isRenderThread());
|
|
|
|
joyglobals.prefsChanged = false;
|
|
|
|
bool bVal = false;
|
|
float fVal = 0.f;
|
|
long lVal = 0;
|
|
|
|
const interface_device_t screenOwner = prefs_parseLongValue(PREF_DOMAIN_TOUCHSCREEN, PREF_SCREEN_OWNER, &lVal, /*base:*/10) ? lVal : TOUCH_DEVICE_NONE;
|
|
joyglobals.ownsScreen = (screenOwner == TOUCH_DEVICE_JOYSTICK || screenOwner == TOUCH_DEVICE_JOYSTICK_KEYPAD);
|
|
|
|
resetState();
|
|
if (joyglobals.ownsScreen) {
|
|
caps_lock = true; // HACK FOR NOW : force uppercase scancodes for touchjoy_kpad variant
|
|
joyglobals.minAlpha = joyglobals.minAlphaWhenOwnsScreen;
|
|
variant.curr = (screenOwner == TOUCH_DEVICE_JOYSTICK) ? variant.joys : variant.kpad;
|
|
} else {
|
|
joyglobals.minAlpha = 0.0;
|
|
}
|
|
|
|
joyglobals.tapDelayFrames = prefs_parseLongValue (PREF_DOMAIN_JOYSTICK, PREF_JOY_TAP_DELAY, &lVal, 10) ? lVal : BUTTON_TAP_DELAY_FRAMES_DEFAULT;
|
|
if (joyglobals.tapDelayFrames < 0) {
|
|
joyglobals.tapDelayFrames = 0;
|
|
} else if (joyglobals.tapDelayFrames > BUTTON_TAP_DELAY_FRAMES_MAX) {
|
|
joyglobals.tapDelayFrames = BUTTON_TAP_DELAY_FRAMES_MAX;
|
|
}
|
|
|
|
joyglobals.showControls = prefs_parseBoolValue (PREF_DOMAIN_JOYSTICK, PREF_SHOW_CONTROLS, &bVal) ? bVal : true;
|
|
joyglobals.showAzimuth = true;//prefs_parseBoolValue (PREF_DOMAIN_JOYSTICK, PREF_SHOW_AZIMUTH, &bVal) ? bVal : true;
|
|
joyglobals.switchThreshold = prefs_parseLongValue (PREF_DOMAIN_JOYSTICK, PREF_SWITCH_THRESHOLD, &lVal, 10) ? lVal : BUTTON_SWITCH_THRESHOLD_DEFAULT;
|
|
joyglobals.screenDivider = prefs_parseFloatValue(PREF_DOMAIN_JOYSTICK, PREF_SCREEN_DIVISION, &fVal) ? fVal : 0.5f;
|
|
joyglobals.axisIsOnLeft = prefs_parseBoolValue (PREF_DOMAIN_JOYSTICK, PREF_AXIS_ON_LEFT, &bVal) ? bVal : true;
|
|
joyglobals.axisMultiplier = prefs_parseFloatValue(PREF_DOMAIN_JOYSTICK, PREF_AXIS_SENSITIVITY, &fVal) ? fVal : 1.f;
|
|
|
|
joyglobals.isCalibrating = prefs_parseBoolValue (PREF_DOMAIN_TOUCHSCREEN, PREF_CALIBRATING, &bVal) ? bVal : false;
|
|
|
|
variant.joys->prefsChanged(PREF_DOMAIN_JOYSTICK);
|
|
variant.kpad->prefsChanged(PREF_DOMAIN_JOYSTICK);
|
|
|
|
long width = prefs_parseLongValue (PREF_DOMAIN_INTERFACE, PREF_DEVICE_WIDTH, &lVal, 10) ? lVal : (long)(SCANWIDTH*1.5);
|
|
long height = prefs_parseLongValue (PREF_DOMAIN_INTERFACE, PREF_DEVICE_HEIGHT, &lVal, 10) ? lVal : (long)(SCANHEIGHT*1.5);
|
|
bool isLandscape = prefs_parseBoolValue (PREF_DOMAIN_INTERFACE, PREF_DEVICE_LANDSCAPE, &bVal) ? bVal : true;
|
|
|
|
glhud_currentColorScheme = prefs_parseLongValue(PREF_DOMAIN_INTERFACE, PREF_SOFTHUD_COLOR, &lVal, 10) ? (interface_colorscheme_t)lVal : RED_ON_BLACK;
|
|
|
|
gltouchjoy_reshape(width, height, isLandscape);
|
|
}
|
|
|
|
static void gltouchjoy_prefsChanged(const char *domain) {
|
|
joyglobals.prefsChanged = true;
|
|
}
|
|
|
|
static void _init_gltouchjoy(void) {
|
|
LOG("Registering OpenGL software touch joystick");
|
|
|
|
axes.centerX = 240;
|
|
axes.centerY = 160;
|
|
axes.trackingIndex = TRACKING_NONE;
|
|
axes.activeChar = ' ';
|
|
|
|
butt.centerX = 240;
|
|
butt.centerY = 160;
|
|
butt.trackingIndex = TRACKING_NONE;
|
|
butt.activeChar = ' ';
|
|
|
|
joyglobals.prefsChanged = true; // force reload preferences/defaults
|
|
|
|
video_getAnimationDriver()->animation_showTouchJoystick = &_animation_showTouchJoystick;
|
|
video_getAnimationDriver()->animation_hideTouchJoystick = &_animation_hideTouchJoystick;
|
|
|
|
glnode_registerNode(RENDER_LOW, (GLNode){
|
|
.type = TOUCH_DEVICE_JOYSTICK,
|
|
.setup = &gltouchjoy_setup,
|
|
.shutdown = &gltouchjoy_shutdown,
|
|
.render = &gltouchjoy_render,
|
|
.onTouchEvent = &gltouchjoy_onTouchEvent,
|
|
});
|
|
|
|
prefs_registerListener(PREF_DOMAIN_JOYSTICK, &gltouchjoy_prefsChanged);
|
|
prefs_registerListener(PREF_DOMAIN_TOUCHSCREEN, &gltouchjoy_prefsChanged);
|
|
prefs_registerListener(PREF_DOMAIN_INTERFACE, &gltouchjoy_prefsChanged);
|
|
}
|
|
|
|
static __attribute__((constructor)) void __init_gltouchjoy(void) {
|
|
emulator_registerStartupCallback(CTOR_PRIORITY_LATE, &_init_gltouchjoy);
|
|
}
|
|
|
|
void gltouchjoy_registerVariant(interface_device_t variantType, GLTouchJoyVariant *touchJoyVariant) {
|
|
switch (variantType) {
|
|
case TOUCH_DEVICE_JOYSTICK:
|
|
variant.joys = touchJoyVariant;
|
|
variant.curr = variant.joys;
|
|
break;
|
|
|
|
case TOUCH_DEVICE_JOYSTICK_KEYPAD:
|
|
variant.kpad = touchJoyVariant;
|
|
variant.curr = variant.kpad;
|
|
break;
|
|
|
|
default:
|
|
assert(false && "invalid touch variant registration");
|
|
break;
|
|
}
|
|
}
|
|
|