From f04bdc6e3147c4a6f1063fa24dd62bb804a8ad6d Mon Sep 17 00:00:00 2001
From: Interfiber <webmaster@interfiber.dev>
Date: Sun, 28 May 2023 12:35:48 -0400
Subject: [PATCH] fix background rendering

---
 .../index/mapEditor.cpp.D1B6F4A71599CCB9.idx  | Bin 4410 -> 4356 bytes
 imgui.ini                                     |   8 +-
 include/config.hpp                            |   4 +-
 include/map.hpp                               |   3 +
 include/state.hpp                             |   3 +
 maps/example.map                              | 248 ++++++++++++++++++
 maps/ph_example.map                           |   8 +-
 src/collision.cpp                             |   2 +
 src/map.cpp                                   |  38 ++-
 src/phoenix.cpp                               |  29 +-
 src/texture.cpp                               |  10 +-
 11 files changed, 335 insertions(+), 18 deletions(-)
 create mode 100644 maps/example.map

diff --git a/.cache/clangd/index/mapEditor.cpp.D1B6F4A71599CCB9.idx b/.cache/clangd/index/mapEditor.cpp.D1B6F4A71599CCB9.idx
index 6190a3917bfcc31e7ea345b442c13b02edc56cf8..c19862e325aceb70be3db0a63528a984a66cb62c 100644
GIT binary patch
delta 2391
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diff --git a/imgui.ini b/imgui.ini
index 2e24dc3..adc23d5 100644
--- a/imgui.ini
+++ b/imgui.ini
@@ -4,17 +4,17 @@ Size=400,400
 Collapsed=0
 
 [Window][Phoenix Map Editor]
-Pos=60,60
+Pos=1582,392
 Size=521,94
 Collapsed=0
 
 [Window][Map Information Editor]
-Pos=504,255
+Pos=1433,675
 Size=549,264
 Collapsed=0
 
 [Window][Map Editor Tools]
-Pos=405,187
-Size=276,197
+Pos=995,701
+Size=326,231
 Collapsed=0
 
diff --git a/include/config.hpp b/include/config.hpp
index 5ecffdd..a285630 100644
--- a/include/config.hpp
+++ b/include/config.hpp
@@ -1,8 +1,8 @@
 #pragma once
 
 // GFX constants
-#define SCREEN_WIDTH 1000
-#define SCREEN_HEIGHT 1000
+//#define SCREEN_WIDTH 1000
+//#define SCREEN_HEIGHT 1000
 
 // 32x32 textures
 #define TEXTURE_WIDTH 32
diff --git a/include/map.hpp b/include/map.hpp
index 815f5d0..1a195e6 100644
--- a/include/map.hpp
+++ b/include/map.hpp
@@ -1,4 +1,5 @@
 #pragma once
+#include <SDL.h>
 #include <string>
 #include <vector>
 
@@ -27,3 +28,5 @@ Map PLoadMapFromFile(std::string filepath);
 Map PCreateNewMap(std::string filepath);
 void PSaveMapToFile(Map *map, std::string filepath);
 void PRenderMap(Map *map, bool debug = false);
+void PRenderMapBackground(Map *map);
+SDL_Rect PGetMapRect(Map *map);
diff --git a/include/state.hpp b/include/state.hpp
index c032483..d363dd3 100644
--- a/include/state.hpp
+++ b/include/state.hpp
@@ -15,6 +15,9 @@ struct GlobalState {
   std::vector<PCollisionRect> collisions;
   PhoenixAssets assets;
   int scale = 20;
+
+  int screenWidth = 1000;
+  int screenHeight = 1000;
 };
 
 extern GlobalState state;
diff --git a/maps/example.map b/maps/example.map
new file mode 100644
index 0000000..5479866
--- /dev/null
+++ b/maps/example.map
@@ -0,0 +1,248 @@
+MAPNAME ph_exampleMap
+MAPVERS b1
+MAPAUTH John
+MAPSIZE 20x20
+MAPSCAL 1x1
+MAPSPWN 484,274
+MAP
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE FLOOR
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+TILE WALL
+ENDMAP
diff --git a/maps/ph_example.map b/maps/ph_example.map
index 0198534..ac3fd84 100644
--- a/maps/ph_example.map
+++ b/maps/ph_example.map
@@ -1,9 +1,9 @@
 MAPNAME ph_exampleMap
 MAPVERS b1
-MAPAUTH JohnDoe
-MAPSIZE 20x20
-MAPSCAL 6x6
-MAPSPWN 499,666
+MAPAUTH Interfiber
+MAPSIZE 20x40
+MAPSCAL 5x5
+MAPSPWN 297,619
 MAP
 TILE WALL
 TILE WALL
diff --git a/src/collision.cpp b/src/collision.cpp
index 8ea125a..3536c4b 100644
--- a/src/collision.cpp
+++ b/src/collision.cpp
@@ -2,6 +2,7 @@
 #include "config.hpp"
 #include "player.hpp"
 #include "state.hpp"
+#include <iostream>
 
 void PBuildCollisionFromMap(Map *map) {
   SDL_Log("Building collision data from map");
@@ -44,6 +45,7 @@ bool PCanMoveTo(int x, int y) {
   SDL_Rect playerRect = PGetPlayerRect(&state.player);
   playerRect.x = x;
   playerRect.y = y;
+
   for (PCollisionRect rect : state.collisions) {
     if (SDL_HasIntersection(&playerRect, &rect.rect)) {
       return false;
diff --git a/src/map.cpp b/src/map.cpp
index f8a3c84..ddcf652 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -95,7 +95,6 @@ void PRenderMap(Map *map, bool debug) {
       row++;
       i = 0;
     }
-
     int x = i * TEXTURE_WIDTH;
     int y = row * TEXTURE_HEIGHT;
 
@@ -175,3 +174,40 @@ Map PCreateNewMap(std::string filepath) {
 
   return map;
 }
+
+SDL_Rect PGetMapRect(Map *map) {
+  SDL_Rect mapRect{};
+  mapRect.x = 0;
+  mapRect.y = 0;
+  mapRect.w = map->mapWidth;
+  mapRect.h = map->mapHeight;
+
+  return mapRect;
+}
+
+void PRenderMapBackground(Map *map) {
+  PhoenixTexture *wallTexture = PGetTextureById(BRICK_WALL_TEXTURE_ID);
+
+  for (int x = 0; x < state.screenWidth; x += 32) {
+    for (int y = 0; y < state.screenHeight; y += 32) {
+      PRenderTexture(wallTexture, x, y);
+    }
+  }
+
+  for (int x = 0; x < state.screenWidth; x += 32) {
+    for (int y = 0; y < state.screenHeight; y += 32) {
+    }
+  }
+
+  for (int y = 0; y < state.screenHeight; y += 32) {
+    for (int x = 0; x < state.screenWidth; x += 32) {
+      PRenderTexture(wallTexture, -x, y);
+    }
+  }
+
+  for (int y = 0; y < state.screenHeight; y += 32) {
+    for (int x = -state.screenWidth; x < state.screenWidth; x += 32) {
+      PRenderTexture(wallTexture, x, -y);
+    }
+  }
+}
diff --git a/src/phoenix.cpp b/src/phoenix.cpp
index 2633bb3..6102ad4 100644
--- a/src/phoenix.cpp
+++ b/src/phoenix.cpp
@@ -1,5 +1,6 @@
 #include "assets.hpp"
 #include "collision.hpp"
+#include "map.hpp"
 #include "texture.hpp"
 #include <SDL_image.h>
 #include <SDL_pixels.h>
@@ -28,10 +29,11 @@ PhoenixGame::PhoenixGame() {
   IMG_Init(IMG_INIT_PNG);
 
   state.window = SDL_CreateWindow("Phoenix", SDL_WINDOWPOS_CENTERED,
-                                  SDL_WINDOWPOS_CENTERED, 1000, 1000, 0);
+                                  SDL_WINDOWPOS_CENTERED, 1000, 1000,
+                                  SDL_WINDOW_RESIZABLE);
 
   state.renderer = SDL_CreateRenderer(
-      state.window, -1, SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_SOFTWARE);
+      state.window, -1, SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_ACCELERATED);
 
   // Load textures
   PRunBoostrap();
@@ -41,8 +43,8 @@ PhoenixGame::PhoenixGame() {
 
   state.camera.x = 0;
   state.camera.y = 0;
-  state.camera.w = SCREEN_WIDTH;
-  state.camera.h = SCREEN_HEIGHT;
+  state.camera.w = state.screenWidth;
+  state.camera.h = state.screenHeight;
 
   state.player.x = m_currentMap.mapPlayerSpawnX;
   state.player.y = m_currentMap.mapPlayerSpawnY;
@@ -57,6 +59,7 @@ void PhoenixGame::render() {
   SDL_SetRenderDrawColor(state.renderer, 0, 0, 0, 255);
   SDL_RenderClear(state.renderer);
 
+  PRenderMapBackground(&m_currentMap);
   PRenderMap(&m_currentMap);
   PRenderPlayer(&state.player);
 
@@ -74,6 +77,20 @@ void PhoenixGame::run() {
         mb_isOpen = false;
         break;
       }
+
+      if (event.type == SDL_WINDOWEVENT) {
+        if (event.window.event == SDL_WINDOWEVENT_RESIZED) {
+          state.screenWidth = event.window.data1;
+          state.screenHeight = event.window.data2;
+
+          // Ajust camera position
+          state.camera.x = state.player.x -
+                           ((state.screenWidth / m_currentMap.mapScaleX) / 2);
+          state.camera.y = state.player.y -
+                           ((state.screenHeight / m_currentMap.mapScaleY) / 2);
+          break;
+        }
+      }
     }
 
     unsigned char const *keys = SDL_GetKeyboardState(nullptr);
@@ -103,9 +120,9 @@ void PhoenixGame::run() {
     }
 
     state.camera.x =
-        state.player.x - ((SCREEN_WIDTH / m_currentMap.mapScaleX) / 2);
+        state.player.x - ((state.screenWidth / m_currentMap.mapScaleX) / 2);
     state.camera.y =
-        state.player.y - ((SCREEN_HEIGHT / m_currentMap.mapScaleY) / 2);
+        state.player.y - ((state.screenHeight / m_currentMap.mapScaleY) / 2);
 
     // Rendering code
 
diff --git a/src/texture.cpp b/src/texture.cpp
index 3325766..d6e748a 100644
--- a/src/texture.cpp
+++ b/src/texture.cpp
@@ -30,5 +30,13 @@ void PRenderTexture(PhoenixTexture *texture, int x, int y) {
   dstRect.w = TEXTURE_WIDTH;
   dstRect.h = TEXTURE_HEIGHT;
 
-  SDL_RenderCopy(state.renderer, texture->texture, NULL, &dstRect);
+  SDL_Rect screenRect{};
+  screenRect.x = 0;
+  screenRect.y = 0;
+  screenRect.w = state.screenWidth;
+  screenRect.h = state.screenHeight;
+
+  if (SDL_HasIntersection(&dstRect, &screenRect)) {
+    SDL_RenderCopy(state.renderer, texture->texture, NULL, &dstRect);
+  }
 }