refactoring; prep for shadows

1 files changed, 38 insertions, 1 deletions

diff --git a/lighting.cpp b/lighting.cpp
index d78ef6e..75ae7c2 100644
--- a/lighting.cpp
+++ b/lighting.cpp
@@ -1,4 +1,5 @@
 #include "lighting.hpp"
+#include "model.hpp"
 #include "world.hpp"
 
 extern "C" {
@@ -15,21 +16,52 @@ struct GPU_Light {
 };
 
 void Lighting::init(Device* dev) {
+	int i;
 	lights.init(
 		dev,
 		"Light buffer",
 		max_lights * sizeof(GPU_Light),
 		Buffer_Flags::storage_buffer
 	);
+	shadows = dev->create_texture(
+		"Shadowmap Array",
+		texture_format_d16,
+		Texture_Flags::sampleable | Texture_Flags::depth_stencil_target,
+		shadow_res,
+		shadow_res,
+		1,
+		1,
+		max_shadows,
+		0
+	);
+	for (i = 0; i < max_shadows; i++) {
+		shadow_slices[i] = dev->alias_texture(
+			shadows,
+			"Shadowmap Slice",
+			texture_format_d16,
+			Texture_Flags::depth_stencil_target,
+			shadow_res,
+			shadow_res,
+			1,
+			1,
+			1,
+			0,
+			i
+		);
+	}
 }
 
 void Lighting::destroy(Device* dev) {
+	int i;
 	lights.destroy(dev);
+	for (i = 0; i < max_shadows; i++)
+		dev->destroy_texture(shadow_slices[i]);
+	dev->destroy_texture(shadows);
 }
 
 void Lighting::write_buf(void* ptr, World& w) {
 	GPU_Light* dst = (GPU_Light*)ptr;
-	int count = 0;
+	int count = 0, ccount = 0;
 	for (auto v : w.view<Sun_Light>()) {
 		GPU_Light gl;
 		Sun_Light& l = v.get<Sun_Light>();
@@ -41,8 +73,13 @@ void Lighting::write_buf(void* ptr, World& w) {
 		gl.colour = l.colour;
 		gl.dir = l.dir;
 		dst[count++] = gl;
+		if (l.caster) {
+			Caster& c = casters[ccount++];
+			c.vp = m4f::identity();
+		}
 	}
 	light_count = count;
+	caster_count = ccount;
 }
 
 void Lighting::update(Device* dev, Context& ctx, World& w) {