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Author SHA1 Message Date
Lucas Scharenbroich
788f938647 Add helper macro for creating static tiles 2023-05-03 07:49:46 -05:00
Lucas Scharenbroich
3c4cf89ecf Start of additional tutorials and samples 2023-05-02 16:06:57 -05:00
Lucas Scharenbroich
89a56d479e Merge branch 'master' of https://github.com/lscharen/iigs-game-engine 2023-05-02 15:59:35 -05:00
Lucas Scharenbroich
a5498e07eb Update the shadow renderer to use the common scnaline management routines 2023-04-28 00:35:35 -05:00
Lucas Scharenbroich
c7a143b488 Remove unneeded padding from some data arrays 2023-04-28 00:14:03 -05:00
Lucas Scharenbroich
869d80af1e Comment cleanup and minro refactoring 2023-04-28 00:13:05 -05:00
Lucas Scharenbroich
515ec5280b Remove dead code 2023-04-28 00:11:46 -05:00
Lucas Scharenbroich
ed01a8da8d Add new UpdateOverlay call 2023-04-28 00:10:59 -05:00
Lucas Scharenbroich
57f57ce533 Restore shadow reg instead of overwriting 2023-04-27 23:38:26 -05:00
Lucas Scharenbroich
77fbe4a5ad Sync with master branch 2023-04-27 16:32:14 -05:00
Lucas Scharenbroich
df32442fff
Merge pull request #23 from lscharen/dependabot/bundler/docs/nokogiri-1.14.3 
Bump nokogiri from 1.14.2 to 1.14.3 in /docs
 2023-04-27 09:29:11 -05:00
Lucas Scharenbroich
e013ff03fd Fix off-by-one error in overlay 2023-04-26 08:47:56 -05:00
Lucas Scharenbroich
b449d983ee Checkpoint for WIP scanline render fix for overlays+sprites and user-defined tiles 2023-04-26 00:41:17 -05:00
Lucas Scharenbroich
44c51217a1 Checkpoint of object list resolver 2023-04-25 23:39:09 -05:00
dependabot[bot]
6ba595f0b5
Bump nokogiri from 1.14.2 to 1.14.3 in /docs 
Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.14.2 to 1.14.3.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/compare/v1.14.2...v1.14.3)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
 2023-04-12 06:28:35 +00:00
Lucas Scharenbroich
dc5742dd11 Remove dead code from codebase 2023-03-14 09:23:01 -05:00
Lucas Scharenbroich
02bc6fe493 Comment cleanup; rename FRINGE tile control bit 2023-03-14 09:11:53 -05:00
Lucas Scharenbroich
4f81c4a84b Add tilengine to the references 2023-03-13 14:45:16 -05:00
Lucas Scharenbroich
36df558a3f
Merge pull request #22 from lscharen/dependabot/bundler/docs/nokogiri-1.14.2 
Bump nokogiri from 1.13.9 to 1.14.2 in /docs
 2023-03-12 16:05:07 -05:00
dependabot[bot]
40bd890497
Bump nokogiri from 1.13.9 to 1.14.2 in /docs 
Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.13.9 to 1.14.2.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](https://github.com/sparklemotion/nokogiri/compare/v1.13.9...v1.14.2)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
 2023-03-12 21:04:22 +00:00
Lucas Scharenbroich
de26e300c4
Merge pull request #21 from lscharen/dependabot/bundler/docs/activesupport-6.0.6.1 
Bump activesupport from 6.0.5 to 6.0.6.1 in /docs
 2023-03-12 16:03:33 -05:00
Lucas Scharenbroich
e6ab9a22e1 Quick change to make sure sprites work on top of scanline offset mode 2023-03-12 15:40:22 -05:00
Lucas Scharenbroich
b154bcf361 Sync up header files and add back CopyToBG1 behavior as a selectable feature 2023-03-12 15:39:41 -05:00
Lucas Scharenbroich
7aec32ced5 Update demo to leverage BG1 scanline support 2023-03-11 03:42:23 -06:00
Lucas Scharenbroich
065603a758 Core updates for BG1 scanline support 2023-03-11 03:41:41 -06:00
Lucas Scharenbroich
d31bd30649 Implement full per-scanline offset support for BG1 2023-03-11 03:41:12 -06:00
Lucas Scharenbroich
7dd690ac04 Implement fix for scanline mode compensation in BG1 2023-03-10 19:00:26 -06:00
Lucas Scharenbroich
9021ee4506 WIP of BG1 scanline effects 
A static BG1 is stable with BG0 offset values.  A seam in BG1
needs to be closed up by taking into account the BG1XOrigin value
when setting the :shift_value.

Also, several routines were hard-coded for the scanline case.  These
hanges need to be reverted and properly parametereized.
 2023-03-10 15:50:42 -06:00
Lucas Scharenbroich
5cfefc350c Improve per-scanline demo 2023-03-09 16:17:55 -06:00
Lucas Scharenbroich
e3409f92fa Add per-scanline offset rendering. 2023-03-09 15:29:58 -06:00
Lucas Scharenbroich
899c6c9770 Upgrade to lockfile version 2 2023-03-09 09:19:10 -06:00
Lucas Scharenbroich
070d038f06 Merge branch 'master' into scanline-offsets 2023-03-09 00:32:03 -06:00
Lucas Scharenbroich
c04bf0d323 Add new render flags to the docs 2023-03-09 00:31:45 -06:00
Lucas Scharenbroich
9fba232df0 Minor cleanups 2023-03-09 00:27:03 -06:00
Lucas Scharenbroich
3a78398ea7 Remove dead label 2023-03-09 00:26:31 -06:00
Lucas Scharenbroich
39163ea786 Expose the ability to select which rendering order to use for sprites 2023-03-09 00:23:12 -06:00
Lucas Scharenbroich
c533d846d7 Be more cautious when manipulaitng the sorted list 2023-03-08 20:09:57 -06:00
Lucas Scharenbroich
6c5e133b17 Fix some linked-list manipulations 2023-03-08 16:29:12 -06:00
Lucas Scharenbroich
029ab62f0c Fix accidental double-addition of the screen origin 2023-03-08 14:15:11 -06:00
Lucas Scharenbroich
a70412211c Simplify and specialize the even/odd patching 
Allows the odd case to be slightly more efficient and the
code is cleaned up by not having to handle both even and odd
alignment cases at multiple points.
 2023-03-08 12:49:45 -06:00
Lucas Scharenbroich
536959619f Refine the horizontal dispatch 
Find small optimizations to improve the average performance of the
blitter, especially in the odd-aligned case.

 - Odd-aligned PEA exit is 2 cycles faster per line
 - Odd-aligned JMP exit is 2 cycles faster per line
 - Odd-aligned LDA exit is 6 cycles faster (eliminated long store)
 - Merged setting the entry opcode and offset to convert 2 8-bit
   store into a single 16-bit store (save 6 cycles per line)
 - Load and save the full word for the high bytes. Cost 2 cycles
   but enabled the 6 cycles saved for the LDA case.
 2023-03-07 17:32:46 -06:00
Lucas Scharenbroich
85cce2fe82 Fix docs typo 2023-03-06 15:18:26 -06:00
Lucas Scharenbroich
594b36a953 Merge branch 'master' into scanline-offsets 2023-03-06 15:14:39 -06:00
Lucas Scharenbroich
011f5c0419 Doc updates 2023-03-06 15:14:22 -06:00
Lucas Scharenbroich
04681447a5 Checkpoint 2023-03-06 14:57:52 -06:00
Lucas Scharenbroich
4bfdeae6aa Update some demos to match new behaviors 2023-03-06 14:39:38 -06:00
Lucas Scharenbroich
5697737a93 Add workable overlay support to the scanline renderer 2023-03-06 14:39:23 -06:00
Lucas Scharenbroich
6832c7f405 Update dynamic tile rendered to use fixed snippets. Add DAMAGES flag for the one render that doesn't fit the mold 2023-03-03 21:44:39 -06:00
Lucas Scharenbroich
dd9ced08f1 Transition to fixed snippets 2023-03-02 23:24:03 -06:00
Lucas Scharenbroich
c14f3c7283 Functional compiled sprites in demo-5 2023-03-01 13:18:37 -06:00