From 669064e4a78a215b0e788d924a5b3593a8271315 Mon Sep 17 00:00:00 2001
From: Abdelrahman <said.abdelrahman89@gmail.com>
Date: Sun, 15 Sep 2024 04:55:40 +0100
Subject: [PATCH] Rename depth shader to shadow shader

---
 src/shader/depth_shader.h                      | 17 -----------------
 src/shader/{depth_shader.c => shadow_shader.c} | 11 ++++++-----
 src/shader/shadow_shader.h                     | 17 +++++++++++++++++
 3 files changed, 23 insertions(+), 22 deletions(-)
 delete mode 100644 src/shader/depth_shader.h
 rename src/shader/{depth_shader.c => shadow_shader.c} (69%)
 create mode 100644 src/shader/shadow_shader.h

diff --git a/src/shader/depth_shader.h b/src/shader/depth_shader.h
deleted file mode 100644
index 13ac22c..0000000
--- a/src/shader/depth_shader.h
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef DEPTH_SHADER_H
-#define DEPTH_SHADER_H
-
-#include "constants.h"
-#include "shader.h"
-#include "vec.h"
-
-typedef struct depth_shader DepthShader;
-struct depth_shader {
-  #include "shader_base.inc"
-};
-
-VertexData     depth_shader_vertex(void *shader, const VertexData *vert, u8 index, const Model *model);
-FragmentResult depth_shader_fragment(void *shader, const V3f *barycentric, const V4f *colour,
-                                     const Model *model);
-
-#endif // !DEPTH_SHADER_H
diff --git a/src/shader/depth_shader.c b/src/shader/shadow_shader.c
similarity index 69%
rename from src/shader/depth_shader.c
rename to src/shader/shadow_shader.c
index 907cef7..7914aa7 100644
--- a/src/shader/depth_shader.c
+++ b/src/shader/shadow_shader.c
@@ -1,22 +1,23 @@
-#include "depth_shader.h"
+#include "shadow_shader.h"
 #include "constants.h"
 #include "shader.h"
 #include "utils.h"
 
-VertexData depth_shader_vertex(void *shader, const VertexData *vert, u8 index, const Model *model) {
-  DepthShader *shdr = (DepthShader *)shader;
+VertexData shadow_shader_vertex(void *shader, const VertexData *vert, u8 index, const Model *model) {
+  ShadowShader *shdr = (ShadowShader *)shader;
 
   V4f vh = V3_to_V4(vert->position);
   vh.y   = 0.0 - vh.y;
   vh     = mat4x4_mul_vec4(shdr->final, vh);
+
   shdr->vertices[index].position = project_vec4(vh);
 
   return shdr->vertices[index];
 }
 
-FragmentResult depth_shader_fragment(void *shader, const V3f *barycentric, const V4f *colour,
+FragmentResult shadow_shader_fragment(void *shader, const V3f *barycentric, const V4f *colour,
                                      const Model *model) {
-  DepthShader *shdr = (DepthShader *)shader;
+  ShadowShader *shdr = (ShadowShader *)shader;
 
   M3x3f pos_mat = {.rows = {shdr->vertices[0].position, shdr->vertices[1].position, shdr->vertices[2].position}};
   pos_mat       = mat3x3_transpose(pos_mat);
diff --git a/src/shader/shadow_shader.h b/src/shader/shadow_shader.h
new file mode 100644
index 0000000..f3a43f5
--- /dev/null
+++ b/src/shader/shadow_shader.h
@@ -0,0 +1,17 @@
+#ifndef SHADOW_SHADER_H
+#define SHADOW_SHADER_H
+
+#include "constants.h"
+#include "shader.h"
+#include "vec.h"
+
+typedef struct shadow_shader ShadowShader;
+struct shadow_shader {
+  #include "shader_base.inc"
+};
+
+VertexData     shadow_shader_vertex(void *shader, const VertexData *vert, u8 index, const Model *model);
+FragmentResult shadow_shader_fragment(void *shader, const V3f *barycentric, const V4f *colour,
+                                      const Model *model);
+
+#endif // !SHADOW_SHADER_H