From 6b8af9cf83851c075c6c9514b1deaa931c2b19a4 Mon Sep 17 00:00:00 2001
From: Thomas Guillermo Albers Raviola <thomas@thomaslabs.org>
Date: Fri, 16 Jan 2026 23:02:32 +0100
Subject: Initial commit

---
 09-september/Draw.c | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 09-september/Draw.c

(limited to '09-september/Draw.c')

diff --git a/09-september/Draw.c b/09-september/Draw.c
new file mode 100644
index 0000000..7138fb1
--- /dev/null
+++ b/09-september/Draw.c
@@ -0,0 +1,77 @@
+#include "game.h"
+
+/*We upload all the light vectors*/
+static const Light diffuseLight[4] =
+{
+    /* Sun Light */
+    { {5.0f, 50.0f, 2.0f}, {1.0f, 1.0f, 1.0f, 1.0f}, {1.0f, 0.0f, 0.0f} },
+    /* Other lights */
+    { {10.0f, 20.0f, 0.0f}, {1.0f, 0.0f, 0.0f, 1.0f}, {1.0f, 0.01f, 0.002f} },
+    { {20.0f, 20.0f, 0.0f}, {0.0f, 0.0f, 1.0f, 1.0f}, {1.0f, 0.01f, 0.002f} },
+    { {30.0f, 20.0f, 0.0f}, {0.0f, 1.0f, 0.0f, 1.0f}, {1.0f, 0.01f, 0.002f} },
+};
+
+void Draw(Game *game)
+{
+    Mat4 viewMatrix, projectedViewMatrix, modelTransform, projectionMatrix;
+    Vec3 pos = {-10.0, 70.0, 10.0};
+    Vec3 viewDirection = {0.22, -0.77, -0.58};
+    Vec3 up = {0.0f, 1.0f, 0.0f};
+
+    Render_BeginFrame();
+    shader_set_uniform_vec3(game->shaderProgram, "World_eyePosition", (float *)&game->camera->position);
+    Render_LoadLights(game->shaderProgram, diffuseLight, 1);
+
+    texture_bind(game->normalMap[1], 13);
+    glUniform1i(game->shaderProgram->Normal_Map, 13);
+
+    viewMatrix = mat4_lookAt(&pos, &viewDirection, &up);
+    projectionMatrix = mat4_orthographic(-50.0f, 50.0f, -50.0f, 50.0f, -50.0f, 70.0f);
+    //
+    projectedViewMatrix = mat4_mul(&projectionMatrix, &viewMatrix);
+
+    Render_DrawEntity(game->shaderProgram, &projectedViewMatrix, &game->player.entity);
+
+    texture_bind(game->normalMap[0], 13);
+    Render_DrawEntity(game->shaderProgram, &projectedViewMatrix, &game->ents[0]);
+
+    Render_EndFrame();
+
+    Vec3 t = {-1.0f, 10.0f, -1.0f};
+    modelTransform = mat4_translate(&t);
+    Mat4 temp = mat4_scale(10.0f, 10.0f, 10.0f);
+    modelTransform = mat4_mul(&modelTransform, &temp);
+    viewMatrix = camera_get_model_to_view_matrix(game->camera);
+    projectionMatrix = game->camera->projectionMatrix;
+    projectedViewMatrix = mat4_mul(&projectionMatrix, &viewMatrix);
+
+    modelTransform = mat4_mul(&projectedViewMatrix, &modelTransform);
+
+    glBindTexture(GL_TEXTURE_2D, render.shadow_map);
+    glUseProgram(render.default_shader->id);
+    glUniform1i(render.default_shader->Texture, 0);
+    glUniformMatrix4fv(render.default_shader->totalTransform, 1, GL_FALSE, modelTransform.data);
+
+    glBindVertexArray(render.default_quad->vao);
+    glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+    glBindVertexArray(0);
+
+    /*
+    glUseProgram(game->terrainProgram->id);
+
+    shader_set_uniform_vec3(game->terrainProgram, "World_eyePosition", (float *)&game->camera->position);
+    Render_LoadLights(game->terrainProgram, diffuseLight, 1);
+
+    Render_DrawTerrain(game->terrainProgram, &projectedViewMatrix, game->terrain);
+
+    glUseProgram(game->skyboxProgram->id);
+    Render_DrawSky(game->skyboxProgram, &viewMatrix, &game->camera->projectionMatrix, &game->sky);
+
+    glUseProgram(game->particlesProgram->id);
+    Render_DrawParticles(game->particlesProgram, &viewMatrix,
+                         &game->camera->projectionMatrix);
+
+    */
+    glUseProgram(game->shaderProgram->id);
+    window_update(game->window);
+}
-- 
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