Added muzzle mesh to player

assets/shaders/blinn_phong.frag

@@ -46,7 +46,7 @@ vec3 calc_point_light(in Light light)
 		{
 			diffuse_comp = light.color * diffuse * cos_ang_incidence;
 			vec3 vertex_to_eye = normalize(camera_pos - vertex);
-			vec3 halfway = normalize(light_direction + vertex_to_eye);
+			vec3 halfway = normalize(light.direction + vertex_to_eye);
 			float specular_factor = max(0.0, dot(normalized_normal, halfway));
 			specular_factor = pow(specular_factor, specular_strength);
 			specular_comp = light.color * specular * specular_factor;

src/common/version.h

@@ -4,7 +4,7 @@
 /* Auto generated version file. DO NOT MODIFY */
 #define SYMMETRY_VERSION_MAJOR 0
 #define SYMMETRY_VERSION_MINOR 2
-#define SYMMETRY_VERSION_REVISION 361
+#define SYMMETRY_VERSION_REVISION 362
 #define SYMMETRY_VERSION_BRANCH "dev"
 
 #endif

src/game/entity.h

@@ -65,7 +65,8 @@ enum Entity_Flags
 	EF_SKIP_RENDER                    = 1 << 5,
 	EF_IGNORE_RAYCAST                 = 1 << 6,
 	EF_IGNORE_COLLISION               = 1 << 7,
-	EF_ALWAYS_RENDER                  = 1 << 8
+	EF_ALWAYS_RENDER                  = 1 << 8,
+	EF_DISABLE_BACKFACE_CULL          = 1 << 9
 };
 
 enum Pickup_Type
@@ -208,6 +209,7 @@ struct Player
     struct Entity        base;
     struct Static_Mesh*  body_mesh;
     struct Static_Mesh*  weapon_mesh;
+    struct Static_Mesh*  muzzle_flash_mesh;
     struct Camera*       camera;
 	struct Sound_Source* weapon_sound;
 	struct Sound_Source* footstep_sound;

src/game/player.c

@@ -18,6 +18,7 @@
 #include "sound_source.h"
 #include "entity.h"
 #include "gui_game.h"
+#include "texture.h"
 
 #include <float.h>
 #include <string.h>
@@ -79,6 +80,13 @@ void player_init(struct Player* player, struct Scene* scene)
 	transform_rotate(player->weapon_mesh, &UNIT_Y, 90.f, TS_LOCAL);
 	transform_scale(player->weapon_mesh, &(vec3){0.3f, 0.1f, 0.1f});
 
+	player->muzzle_flash_mesh = scene_static_mesh_create(scene, "Player_Muzzle_Flash_Mesh", player_camera, "muzzle_flash.symbres", MAT_BLINN);
+	transform_translate(player->muzzle_flash_mesh, &(vec3) {0.f, -0.3f, -2.75f}, TS_LOCAL);
+	transform_rotate(player->muzzle_flash_mesh, &UNIT_X, 90.f, TS_LOCAL);
+	player->muzzle_flash_mesh->model.material_params[MMP_DIFFUSE_TEX].val_int = texture_create_from_file("white.tga", TU_DIFFUSE);
+	player->muzzle_flash_mesh->model.material_params[MMP_DIFFUSE].val_float = 6.f;
+	vec4_fill(&player->muzzle_flash_mesh->model.material_params[MMP_DIFFUSE_COL].val_vec4, 0.9f, 0.4f, 0.f, 1.f);
+	
 	struct Sound_Source* weapon_sound = scene_sound_source_create(scene, "Player_Weapon_Sound_Source", player, "sounds/bullet_1.wav", ST_WAV, false, false);
 	if(weapon_sound)
 		player->weapon_sound = weapon_sound;
@@ -103,6 +111,7 @@ void player_init(struct Player* player, struct Scene* scene)
 	player->grunt_sound->base.flags       |= EF_TRANSIENT;
 	player->body_mesh->base.flags         |= EF_TRANSIENT | EF_IGNORE_COLLISION | EF_ALWAYS_RENDER;
 	player->weapon_mesh->base.flags       |= EF_TRANSIENT | EF_IGNORE_COLLISION | EF_ALWAYS_RENDER;
+	player->muzzle_flash_mesh->base.flags |= EF_TRANSIENT | EF_IGNORE_COLLISION | EF_ALWAYS_RENDER;
 	player->weapon_light->base.flags      |= EF_TRANSIENT;
 	player->weapon_sound->base.flags      |= EF_TRANSIENT;
 
@@ -385,6 +394,7 @@ void player_on_mousebutton_released(const struct Event* event)
 
 		int intensity = player->weapon_light_intensity_min + rand() % player->weapon_light_intensity_max;
 		player->weapon_light->intensity = intensity;
+		transform_scale(player->muzzle_flash_mesh, &(vec3){1.f, 1.f, 1.f});
 		sound_source_play(game_state->sound, player->weapon_sound);
 	}
 }
@@ -427,4 +437,12 @@ void player_update(struct Player* player, float dt)
 		if(player->weapon_light->intensity < 0.f)
 			player->weapon_light->intensity = 0.f;
 	}
+
+	if(player->muzzle_flash_mesh->base.transform.scale.x > 0.f)
+	{
+		player->muzzle_flash_mesh->base.transform.scale.x -= player->weapon_light_intensity_decay * dt;
+		player->muzzle_flash_mesh->base.transform.scale.y -= player->weapon_light_intensity_decay * dt;
+		player->muzzle_flash_mesh->base.transform.scale.z -= player->weapon_light_intensity_decay * dt;
+		transform_update_transmat(player->muzzle_flash_mesh);
+	}
 }

src/game/renderer.c

@@ -93,6 +93,8 @@ void renderer_render(struct Renderer* renderer, struct Scene* scene)
 				 active_camera->clear_color.w);
 	glEnable(GL_CULL_FACE);
 	glCullFace(GL_BACK);
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
 	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 	static mat4 mvp;
 	for(int i = 0; i < MAT_MAX; i++)
@@ -229,6 +231,10 @@ void renderer_render(struct Renderer* renderer, struct Scene* scene)
 			}
 
 			/* Render the geometry */
+			if(mesh->base.flags & EF_DISABLE_BACKFACE_CULL)
+				glDisable(GL_CULL_FACE);
+			else
+				glEnable(GL_CULL_FACE);
 			geom_render(mesh->model.geometry_index, GDM_TRIANGLES);
 
 			for(int k = 0; k < MMP_MAX; k++)

todo.txt

@@ -3,7 +3,6 @@ Todo:
 	- Don't save parent entity's transform when saving entity archetype. Only save the transformation values for children
 	- Enemies getting hit by bullets
 	- Add weapon flash, muzzle mesh to turrets
-	- Add muzzle mesh to player
 	- Save case sensitive file names when scene entity entries
 	- Disbale all player actions when scene cleared dialog or scene restart dialog are active
 	- Memory utils that provide allocation tracking
@@ -434,3 +433,4 @@ Done:
 	* Background music track per scene specified in scene properties
 	* Fixed bug where child entities' absolute position does not change when parent rotates
 	* Player weapon mesh and lighting
+	* Added muzzle mesh to player