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Add a generator for character modes.

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This commit is contained in:
Thomas Harte 2023-02-12 22:54:08 -05:00
parent f5814b4c75
commit dce04e7219
1 changed files with 30 additions and 4 deletions
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34
Components/9918/Implementation/Storage.hpp
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@ -60,12 +60,16 @@ template <Personality personality> struct Storage<personality, std::enable_if_t<
// Bitmap modes.
//
DataBlock,
//
// Sprites.
//
SpriteY,
SpriteLocation,
SpritePattern,
//
// Text modes.
// Text and character modes.
//
Name,
Colour,
@ -159,7 +163,7 @@ template <Personality personality> struct Storage<personality, std::enable_if_t<
Storage() noexcept {
// Perform sanity checks on the event lists.
#ifndef NDEBUG
const Event *lists[] = { no_sprites_events.data(), sprites_events.data(), text_events.data(), /* character_events.data(), */ refresh_events.data(), nullptr };
const Event *lists[] = { no_sprites_events.data(), sprites_events.data(), text_events.data(), character_events.data(), refresh_events.data(), nullptr };
const Event **list = lists;
while(*list) {
const Event *cursor = *list;
@ -378,8 +382,30 @@ template <Personality personality> struct Storage<personality, std::enable_if_t<
struct CharacterGenerator {
static constexpr std::optional<typename Event::Type> event(int grauw_index) {
// TODO.
(void)grauw_index;
// Grab sprite events.
switch(grauw_index) {
default: break;
case 1242: case 1306: case 6: case 70: return Event::Type::SpriteLocation;
case 1274: case 1342: case 38: case 102: return Event::Type::SpritePattern;
case 1268: case 1334: case 32: case 96: return Event::Type::External;
}
if(grauw_index >= 166 && grauw_index < 180) {
return StandardGenerators::external_every_eight(grauw_index - 166);
}
if(grauw_index >= 182 && grauw_index < 1236) {
const int offset = grauw_index - 182;
const int block = offset / 32;
const int sub_block = offset & 31;
switch(sub_block) {
case 0: if(block > 0) return Event::Type::Name;
case 6: if((sub_block & 3) != 3) return Event::Type::External;;
case 12: if(block > 0) return Event::Type::Pattern;
case 18: if(block > 0) return Event::Type::Colour;
}
}
return std::nullopt;
}
};