About to start shaders

src/duskgl/display/shader/entityshader/entity.glsl

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+#include "../fragments/header.glsl"
+#include "../fragments/transforms.glsl"
+
+#define ENTITY_TILE_OFFSET_X (MAP_TILE_WIDTH - ENTITY_WIDTH) / 2
+#define ENTITY_TILE_OFFSET_Y (MAP_TILE_HEIGHT - ENTITY_HEIGHT) / 2
+
+struct Entity {
+  int x;
+  int y;
+  int tileset;
+  int tile;
+};
+
+layout(std140) uniform b_Data {
+  Entity entities[MAP_ENTITY_COUNT_MAX];
+  int entityCount;
+};
+
+vec4 entityGetCoordinates(Entity ent) {
+  int vx = (ent.x * MAP_TILE_WIDTH) + ENTITY_TILE_OFFSET_X;
+  int vy = (ent.y * MAP_TILE_HEIGHT) + ENTITY_TILE_OFFSET_Y;
+  return vec4(vx, vy, vx + ENTITY_WIDTH, vy + ENTITY_HEIGHT);
+}
+
+vec4 entityGetUVs(Entity ent) {
+  return tilesetGetUVsByIndex(ent.tileset, ent.tile);
+}