Culling unwanted faces(clips, triggers, sky) with CVars and starting to implement different backends

gameenv/data/sys/cvardefs.cvars

@@ -1,3 +1,6 @@
+vid_2d_background false
 vid_3d_renderer true
 vid_3d_grid false
-vid_2d_background false
+vid_3d_cull_sky false
+vid_3d_cull_clips true
+vid_3d_cull_triggers true

mpfw/MPFW_BackendDefinition.h

@@ -0,0 +1,61 @@
+#pragma once
+#include <iostream>
+#include <vector>
+
+namespace MPFW {
+	namespace Backends {
+		namespace Video {
+			namespace Agnostic {
+				struct Color {
+					unsigned char r, g, b, a;
+				};
+				struct Picture {
+					std::vector<Color> data;
+					int width, height;
+				};
+				struct Vertex2D {
+					float x, y;
+				};
+				struct Vertex3D {
+					float x, y, z;
+				};
+				struct Vertex4D {
+					float x, y, z, w;
+				};
+				struct Triangle {
+					Vertex3D a, b, c;
+				};
+				struct TexturedTriangle {
+					Triangle tri;
+					int textureId;
+				};
+			}
+
+
+			
+			struct ContextParameters {
+				std::string name;
+				int width, height, desiredFps;
+			};
+
+
+			 // note: backend inputs should ALWAYS be in quake coords
+			// note 2: backends should ideally implement all functions. 
+			class BackEnd {
+			public:
+				virtual void Create(ContextParameters param) = 0;
+
+				virtual int BE_LoadFont(std::string path) = 0;
+				virtual void BE_DrawText(int fontId, std::string text, int x, int y, int fontSize) = 0;
+
+				virtual int BE_LoadTexture(Agnostic::Picture pic) = 0;
+				virtual void BE_UnloadTexture(int picId) = 0;
+				virtual void BE_DrawColorTriangle(Agnostic::Triangle tri, Agnostic::Color col) = 0;
+				virtual void BE_DrawTexturedTriangle(Agnostic::TexturedTriangle tri) = 0;
+				
+				virtual void BE_ImGui_Begin() = 0;
+				virtual void BE_ImGui_End() = 0;
+			};
+		}
+	}
+}

mpfw/MPFW_Quake.cpp

@@ -355,6 +355,7 @@ void MPFW::Quake::Maps::MapFile::LoadBSPMap(std::string path)
 		Texture2D temp = LoadTextureFromImage(img);
 
 		rlMipTex mt;
+		mt.name = std::string((const char*)t.name);
 		mt.glTextureID = temp.id;
 		mt.height = temp.height;
 		mt.width = temp.width;
@@ -416,6 +417,14 @@ void MPFW::Quake::Maps::MapFile::LoadBSPMap(std::string path)
 			));
 		}
 
+		cface.baselight = data.faces[i].baselight;
+		if (
+			Utils::Strings::IterativeStringExcerpt(data.textures[data.texInfo[data.faces[i].texinfoId].textureId].name, 0, 3) == "sky"
+			) {
+			cface.skyFace = true;
+		}
+		if (data.textures[data.texInfo[data.faces[i].texinfoId].textureId].name == "clip") cface.clipFace = true;
+		if (data.textures[data.texInfo[data.faces[i].texinfoId].textureId].name == "trigger") cface.triggerFace = true;
 
 		data.renderFaces.push_back(cface);
 

mpfw/MPFW_Quake.h

@@ -104,6 +104,12 @@ namespace MPFW {
 				std::vector<Vector3> vertices;
 				std::vector<Vector2> texCoords;
 				int glTextureId, glTextureWidth, glTextureHeight;
+				bool skyFace = false;
+				bool triggerFace = false;
+				bool clipFace = false;
+
+				unsigned char baselight;
+
 			};
 
 			
@@ -115,13 +121,13 @@ namespace MPFW {
 			using MipHeader = std::vector<long>;
 
 			struct cMiptex{
-				char name[16];
+				unsigned char name[16];
 				unsigned long width, height, 
 							  offset1, offset2, offset4, offset8;
 			};
 
 			struct rlMipTex {
-				char name[16];
+				std::string name;
 				unsigned long width, height;
 				unsigned long glTextureID;
 				int type;
@@ -188,11 +194,14 @@ namespace MPFW {
 				int edgesCDBG = 0;
 				int texInfoCDBG = 0;
 				int facesCDBG = 0;
-
+				
 				MapFile(){}
+
+				[[warning("Prefer using an empty map file linked to a command handler for map loading with CFGs.")]]
 				MapFile(std::string path) {
 					LoadBSPMap(path);
 				}
+
 				void LoadBSPMap(std::string path);
 				~MapFile(){}
 			};

mpfw/main.cpp

@@ -253,34 +253,39 @@ int main() {
 		if (chr.cvars["vid_3d_renderer"] == "true") {
 			BeginMode3D(camera);
 			if(chr.cvars["vid_3d_grid"] == "true") DrawGrid(10000, 10);
-			
 			for (int i = 0; i < map.data.renderFaces.size(); i++) {
-				rlColor4ub(255, 255, 255, 255);
-				rlSetTexture(map.data.renderFaces[i].glTextureId);
+				if (
+					!(chr.cvars["vid_3d_cull_sky"] == "true" && map.data.renderFaces[i].skyFace) &&
+					!(chr.cvars["vid_3d_cull_clips"] == "true" && map.data.renderFaces[i].clipFace) &&
+					!(chr.cvars["vid_3d_cull_triggers"] == "true" && map.data.renderFaces[i].triggerFace)
+					){
+					rlColor4ub(255, 255, 255, 255);
+					rlSetTexture(map.data.renderFaces[i].glTextureId);
+					
+					
+					for (int j = 1; j < map.data.renderFaces[i].vertices.size(); j++) {
+						rlBegin(RL_QUADS); // for texturing reasons because rlgl
+						Vector3 a = map.data.renderFaces[i].vertices[0], 
+								b = map.data.renderFaces[i].vertices[j], 
+								c = map.data.renderFaces[i].vertices[j - 1];
 
-
-				for (int j = 1; j < map.data.renderFaces[i].vertices.size(); j++) {
-					rlBegin(RL_QUADS); // for texturing reasons because rlgl
-					Vector3 a = map.data.renderFaces[i].vertices[0], 
-							b = map.data.renderFaces[i].vertices[j], 
-							c = map.data.renderFaces[i].vertices[j - 1];
-
-					Vector2 at = map.data.renderFaces[i].texCoords[0], 
-							bt = map.data.renderFaces[i].texCoords[j], 
-							ct = map.data.renderFaces[i].texCoords[j - 1];
+						Vector2 at = map.data.renderFaces[i].texCoords[0], 
+								bt = map.data.renderFaces[i].texCoords[j], 
+								ct = map.data.renderFaces[i].texCoords[j - 1];
 
 
 
-					rlTexCoord2f(at.x, at.y);
-					rlVertex3f(a.x, a.y, a.z);
-					rlTexCoord2f(bt.x, bt.y);
-					rlVertex3f(b.x, b.y, b.z);
-					rlTexCoord2f(ct.x, ct.y);
-					rlVertex3f(c.x, c.y, c.z);
-					rlVertex3f(c.x, c.y, c.z);
+						rlTexCoord2f(at.x, at.y);
+						rlVertex3f(a.x, a.y, a.z);
+						rlTexCoord2f(bt.x, bt.y);
+						rlVertex3f(b.x, b.y, b.z);
+						rlTexCoord2f(ct.x, ct.y);
+						rlVertex3f(c.x, c.y, c.z);
+						rlVertex3f(c.x, c.y, c.z);
 
 
-					rlEnd();
+						rlEnd();
+					}
 				}