From 9bdc98ed474f15dd9a26fb58f65eb96e1002d57a Mon Sep 17 00:00:00 2001
From: Relintai <relintai@protonmail.com>
Date: Fri, 15 Dec 2023 23:09:40 +0100
Subject: [PATCH] Removed remaining particle material code.

---
 drivers/gles2/rasterizer_storage_gles2.cpp |  6 +-----
 servers/rendering/shader_types.cpp         | 24 ----------------------
 servers/rendering_server.cpp               |  1 -
 servers/rendering_server.h                 |  1 -
 4 files changed, 1 insertion(+), 31 deletions(-)

diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp
index ee9efb2..d77363e 100644
--- a/drivers/gles2/rasterizer_storage_gles2.cpp
+++ b/drivers/gles2/rasterizer_storage_gles2.cpp
@@ -1180,11 +1180,7 @@ void RasterizerStorageGLES2::shader_set_code(RID p_shader, const String &p_code)
 	String mode_string = ShaderLanguage::get_shader_type(p_code);
 	RS::ShaderMode mode;
 
-	if (mode_string == "particles") {
-		mode = RS::SHADER_PARTICLES;
-	} else {
-		mode = RS::SHADER_CANVAS_ITEM;
-	}
+	mode = RS::SHADER_CANVAS_ITEM;
 
 	if (shader->custom_code_id && mode != shader->mode) {
 		shader->shader->free_custom_shader(shader->custom_code_id);
diff --git a/servers/rendering/shader_types.cpp b/servers/rendering/shader_types.cpp
index c34537f..cbbf8f0 100644
--- a/servers/rendering/shader_types.cpp
+++ b/servers/rendering/shader_types.cpp
@@ -120,29 +120,5 @@ ShaderTypes::ShaderTypes() {
 	shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back("unshaded");
 	shader_modes[RS::SHADER_CANVAS_ITEM].modes.push_back("light_only");
 
-	/************ PARTICLES **************************/
-
-	shader_modes[RS::SHADER_PARTICLES].functions["global"].built_ins["TIME"] = constt(ShaderLanguage::TYPE_FLOAT);
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["COLOR"] = ShaderLanguage::TYPE_VEC4;
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["VELOCITY"] = ShaderLanguage::TYPE_VEC3;
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["MASS"] = ShaderLanguage::TYPE_FLOAT;
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["ACTIVE"] = ShaderLanguage::TYPE_BOOL;
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["RESTART"] = constt(ShaderLanguage::TYPE_BOOL);
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["CUSTOM"] = ShaderLanguage::TYPE_VEC4;
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["TRANSFORM"] = ShaderLanguage::TYPE_MAT4;
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["LIFETIME"] = constt(ShaderLanguage::TYPE_FLOAT);
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["DELTA"] = constt(ShaderLanguage::TYPE_FLOAT);
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["NUMBER"] = constt(ShaderLanguage::TYPE_UINT);
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["INDEX"] = constt(ShaderLanguage::TYPE_INT);
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["EMISSION_TRANSFORM"] = constt(ShaderLanguage::TYPE_MAT4);
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].built_ins["RANDOM_SEED"] = constt(ShaderLanguage::TYPE_UINT);
-	shader_modes[RS::SHADER_PARTICLES].functions["vertex"].main_function = true;
-
-	shader_modes[RS::SHADER_PARTICLES].modes.push_back("disable_force");
-	shader_modes[RS::SHADER_PARTICLES].modes.push_back("disable_velocity");
-	shader_modes[RS::SHADER_PARTICLES].modes.push_back("keep_data");
-
-	shader_types.insert("spatial");
 	shader_types.insert("canvas_item");
-	shader_types.insert("particles");
 }
diff --git a/servers/rendering_server.cpp b/servers/rendering_server.cpp
index 8da3d4e..c7571f7 100644
--- a/servers/rendering_server.cpp
+++ b/servers/rendering_server.cpp
@@ -1618,7 +1618,6 @@ void RenderingServer::_bind_methods() {
 	BIND_ENUM_CONSTANT(TEXTURE_FLAGS_DEFAULT);
 
 	BIND_ENUM_CONSTANT(SHADER_CANVAS_ITEM);
-	BIND_ENUM_CONSTANT(SHADER_PARTICLES);
 	BIND_ENUM_CONSTANT(SHADER_MAX);
 
 	BIND_ENUM_CONSTANT(ARRAY_VERTEX);
diff --git a/servers/rendering_server.h b/servers/rendering_server.h
index 5bc7976..6fdf4bf 100644
--- a/servers/rendering_server.h
+++ b/servers/rendering_server.h
@@ -180,7 +180,6 @@ public:
 
 	enum ShaderMode {
 		SHADER_CANVAS_ITEM,
-		SHADER_PARTICLES,
 		SHADER_MAX
 	};