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rename TARGET_FPS to PHYS_TIME_FRAME; shader to use multiple atlas tex; and things

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This commit is contained in:
Minjae Song
2018-12-16 15:30:25 +09:00
parent cd752bc763
commit a7d12b2b54
9 changed files with 87 additions and 33 deletions
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26
assets/tiling.frag
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@@ -1,3 +1,13 @@
/*
Texture binding:
0 <- Tiles atlas
1 <- Tiles buffer that holds tiles to be drawn
2 <- Fluid tiles atlas
*/
#version 120
#ifdef GL_ES
precision mediump float;
@@ -16,7 +26,7 @@ uniform vec2 screenDimension;
uniform vec2 tilesInAxes; // vec2(tiles_in_horizontal, tiles_in_vertical)
uniform ivec2 tilemapDimension;
uniform sampler2D tilemap; // RGB888, A is optional and will be completely ignored
uniform sampler2D tilemap; // RGBA8888
uniform sampler2D tilesAtlas;
uniform sampler2D backgroundTexture;
@@ -34,23 +44,29 @@ ivec2 getTileXY(int tileNumber) {
return ivec2(tileNumber % int(tilesInAtlas.x), tileNumber / int(tilesInAtlas.x));
}
// return: int=0xrrggbb
// return: int=0xaarrggbb
int _colToInt(vec4 color) {
return int(color.b * 255) | (int(color.g * 255) << 8) | (int(color.r * 255) << 16);
return int(color.b * 255) | (int(color.g * 255) << 8) | (int(color.r * 255) << 16) | (int(color.a * 255) << 24);
}
// 0x0rggbb where int=0xaarrggbb
// return: [0..1048575]
int getTileFromColor(vec4 color) {
return _colToInt(color) & 0x0FFFFF;
return _colToInt(color) & 0xFFFFF;
}
// 0xr00000 where int=0xaarrggbb
// 0x00r00000 where int=0xaarrggbb
// return: [0..15]
int getBreakageFromColor(vec4 color) {
return (_colToInt(color) >> 20) & 0xF;
}
// 0xa0000000 where int=0xaarrggbb
// return: [0..15]
int getTextureIndexFromColor(vec4 color) {
return (_colToInt(color) >> 28) & 0xF;
}
void main() {
// READ THE FUCKING MANUAL, YOU DONKEY !! //