init

shaders/ents_prev.comp

@@ -0,0 +1,16 @@
+#version 450
+#extension GL_GOOGLE_include_directive : require
+layout(local_size_x = 64) in;
+#include "common.glsl"
+
+// Remembers the entity positions before a tick: sprites, projectiles and particles are drawn between the last two ticks.
+struct Ent { vec4 a, box, mv, ai; ivec4 st; vec4 hp; ivec4 x; ivec4 rg; ivec4 rg2; ivec4 aux; vec4 ex; vec4 ex2; ivec4 ex3; vec4 ex4; vec4 ex5; vec4 ex6; vec4 ex7; ivec4 ex8; vec4 ex9; vec4 ex10; vec4 ex11; vec4 ex12, ex13, ex14, ex15, ex16, ex17, ex18, ex19; };
+layout(std430, set = 0, binding = 22) readonly buffer Ents { Ent ents[]; };
+layout(std430, set = 0, binding = 23) readonly buffer Ctrl { ivec4 inp; } ctrl;
+layout(std430, set = 0, binding = 39) buffer EntPrevW { vec4 prevw[]; };
+
+void main() {
+    uint i = gl_GlobalInvocationID.x;
+    if (i >= uint(ctrl.inp.w)) return;
+    prevw[i] = vec4(ents[i].a.xy, 0.0, 0.0);
+}