7 files changed, 151 insertions, 57 deletions

@@ -0,0 +1,14 @@
+#ifndef CONSTS_H_152EBF56
+#define CONSTS_H_152EBF56
+
+constexpr int GAME_WIDTH = 1280;//640*2;
+constexpr int GAME_HEIGHT = 720;//480*2;
+constexpr int TILE_WIDTH = 8*2;
+constexpr int TILE_HEIGHT = TILE_WIDTH;
+constexpr int INIT_ZOOM = 5;
+constexpr int ZOOM_X_FACTOR = 16;
+constexpr int ZOOM_Y_FACTOR = 9;
+constexpr int RADIUS = 8;
+constexpr int NUM_TITLES = 1;
+
+#endif /* end of include guard: CONSTS_H_152EBF56 */
@@ -4,6 +4,7 @@
 #include <iostream>
 #include "util.h"
 #include "renderer.h"
+#include "consts.h"
 
 Game::Game(std::mt19937& rng, Muxer& muxer) :
   rng(rng),
@@ -10,15 +10,7 @@
 #include "timer.h"
 #include "animation.h"
 #include "interpolation.h"
-
-const int GAME_WIDTH = 1280;//640*2;
-const int GAME_HEIGHT = 720;//480*2;
-const int TILE_WIDTH = 8*2;
-const int TILE_HEIGHT = TILE_WIDTH;
-const int INIT_ZOOM = 5;
-const int ZOOM_X_FACTOR = 16;
-const int ZOOM_Y_FACTOR = 9;
-const int RADIUS = 8;
+#include "consts.h"
 
 constexpr int TilesetIndex(int x, int y) {
   return x + y * 24;
@@ -5,6 +5,12 @@
 #include "game.h"
 #include "renderer.h"
 
+enum class TitleState {
+  FadeIn,
+  Sustain,
+  FadeOut
+};
+
 int main(int, char**)
 {
   std::random_device randomEngine;
@@ -17,6 +23,14 @@ int main(int, char**)
 
     Game game(rng, muxer);
 
+    constexpr int titleFadeLen = 3000;
+    bool doneTitles = false;
+    int titleNum = 0;
+    TitleState titleState = TitleState::FadeIn;
+    Interpolation titleFade;
+    Timer titleSustain(3000);
+    titleFade.start(titleFadeLen);
+
     size_t lastTime = SDL_GetTicks();
     while (!game.quit)
     {
@@ -24,9 +38,58 @@ int main(int, char**)
       size_t frameTime = currentTime - lastTime;
       lastTime = currentTime;
 
-      game.update(frameTime);
-      renderer.renderGame(game, true);
-      muxer.update();
+      if (doneTitles) {
+        game.update(frameTime);
+        renderer.renderGame(game, true);
+        muxer.update();
+      } else {
+        SDL_Event e;
+
+        while (SDL_PollEvent(&e));
+
+        switch (titleState) {
+          case TitleState::FadeIn: {
+            titleFade.tick(frameTime);
+            if (titleFade.isComplete()) {
+              titleState = TitleState::Sustain;
+              titleSustain.reset();
+            }
+
+            renderer.renderTitle(titleNum, titleFade.getProgress(0, 1));
+
+            break;
+          }
+          case TitleState::Sustain: {
+            titleSustain.accumulate(frameTime);
+            const Uint8* state = SDL_GetKeyboardState(NULL);
+            if (state[SDL_SCANCODE_SPACE] || titleSustain.step()) {
+              titleState = TitleState::FadeOut;
+              titleFade.start(titleFadeLen);
+            }
+
+            renderer.renderTitle(titleNum, 1);
+
+            break;
+          }
+          case TitleState::FadeOut: {
+            titleFade.tick(frameTime);
+            renderer.renderTitle(titleNum, titleFade.getProgress(1, 0));
+
+            if (titleFade.isComplete()) {
+              titleNum++;
+
+              if (titleNum < NUM_TITLES) {
+                titleState = TitleState::FadeIn;
+                titleFade.start(titleFadeLen);
+              } else {
+                doneTitles = true;
+              }
+            }
+
+            break;
+          }
+        }
+      }
     }
   } catch (const sdl_error& ex)
   {
@@ -31,17 +31,7 @@ Renderer::Renderer()
   }
 
   texture_ptr origFade;
-  {
-    surface_ptr pfs(IMG_Load("../res/lighting.png"));
-    if (!pfs)
-    {
-      throw img_error();
-    }
-
-    origFade = texture_ptr(SDL_CreateTextureFromSurface(ren_.get(), pfs.get()));
-  }
-
-  SDL_SetTextureBlendMode(origFade.get(), SDL_BLENDMODE_BLEND);
+  loadTextureFromFile("../res/lighting.png", origFade);
 
   playerFade_ = texture_ptr(
     SDL_CreateTexture(
@@ -113,41 +103,12 @@ Renderer::Renderer()
   SDL_SetRenderDrawColor(ren_.get(), 100, 100, 100, 255);
   SDL_RenderFillRect(ren_.get(), nullptr);
 
-  {
-    surface_ptr pfs(IMG_Load("../res/player.png"));
-    if (!pfs)
-    {
-      throw img_error();
-    }
-
-    playerSheet_ = texture_ptr(SDL_CreateTextureFromSurface(ren_.get(), pfs.get()));
-  }
+  loadTextureFromFile("../res/player.png", playerSheet_);
+  loadTextureFromFile("../res/runninbloods.png", tileset_);
+  loadTextureFromFile("../res/lamp.png", lamp_);
 
-  SDL_SetTextureBlendMode(playerSheet_.get(), SDL_BLENDMODE_BLEND);
-
-  {
-    surface_ptr pfs(IMG_Load("../res/runninbloods.png"));
-    if (!pfs)
-    {
-      throw img_error();
-    }
-
-    tileset_ = texture_ptr(SDL_CreateTextureFromSurface(ren_.get(), pfs.get()));
-  }
-
-  SDL_SetTextureBlendMode(tileset_.get(), SDL_BLENDMODE_BLEND);
-
-  {
-    surface_ptr pfs(IMG_Load("../res/lamp.png"));
-    if (!pfs)
-    {
-      throw img_error();
-    }
-
-    lamp_ = texture_ptr(SDL_CreateTextureFromSurface(ren_.get(), pfs.get()));
-  }
-
-  SDL_SetTextureBlendMode(lamp_.get(), SDL_BLENDMODE_BLEND);
+  loadTextureFromFile("../res/title0.png", titles_[0]);
+  SDL_QueryTexture(titles_[0].get(), nullptr, nullptr, &titleWidths_[0], &titleHeights_[0]);
 }
 
 void Renderer::renderGame(
@@ -354,6 +315,47 @@ void Renderer::renderGame(
   SDL_RenderPresent(ren_.get());
 }
 
+void Renderer::renderTitle(int num, double fade) {
+  texture_ptr canvas(
+    SDL_CreateTexture(
+      ren_.get(),
+      SDL_PIXELFORMAT_RGBA8888,
+      SDL_TEXTUREACCESS_TARGET,
+      GAME_WIDTH,
+      GAME_HEIGHT));
+
+  if (!canvas)
+  {
+    throw sdl_error();
+  }
+
+  SDL_SetRenderTarget(ren_.get(), canvas.get());
+  SDL_SetRenderDrawBlendMode(ren_.get(), SDL_BLENDMODE_NONE);
+  SDL_SetRenderDrawColor(ren_.get(), 0, 0, 0, 255);
+  SDL_RenderClear(ren_.get());
+
+  if (fade > 0) {
+    SDL_Rect rect {
+      (GAME_WIDTH - titleWidths_[num]) / 2,
+      (GAME_HEIGHT - titleHeights_[num]) / 2,
+      titleWidths_[num],
+      titleHeights_[num]
+    };
+
+    SDL_RenderCopy(ren_.get(), titles_[num].get(), nullptr, &rect);
+
+    if (fade < 1) {
+      SDL_SetRenderDrawBlendMode(ren_.get(), SDL_BLENDMODE_BLEND);
+      SDL_SetRenderDrawColor(ren_.get(), 0, 0, 0, (1.0 - fade) * 255);
+      SDL_RenderFillRect(ren_.get(), nullptr);
+    }
+  }
+
+  SDL_SetRenderTarget(ren_.get(), nullptr);
+  SDL_RenderCopy(ren_.get(), canvas.get(), nullptr, nullptr);
+  SDL_RenderPresent(ren_.get());
+}
+
 std::tuple<int, int, int, int> Renderer::calculateZoomRect(const Game& game)
 {
   int x = game.map.getTrueX(game.curBoundX) * TILE_WIDTH;
@@ -375,3 +377,14 @@ std::tuple<int, int, int, int> Renderer::calculateZoomRect(const Game& game)
 
   return {x, y, w, h};
 }
+
+void Renderer::loadTextureFromFile(std::string_view path, texture_ptr& texture) {
+  surface_ptr pfs(IMG_Load(path.data()));
+  if (!pfs)
+  {
+    throw img_error();
+  }
+
+  texture = texture_ptr(SDL_CreateTextureFromSurface(ren_.get(), pfs.get()));
+  SDL_SetTextureBlendMode(texture.get(), SDL_BLENDMODE_BLEND);
+}
@@ -5,6 +5,9 @@
 #include <SDL_image.h>
 #include <stdexcept>
 #include <memory>
+#include <array>
+#include <string_view>
+#include "consts.h"
 
 class Game;
 
@@ -117,10 +120,14 @@ public:
     const Game& game,
     bool drawDark = true);
 
+  void renderTitle(int num, double fade);
+
   static std::tuple<int, int, int, int> calculateZoomRect(const Game& game);
 
 private:
 
+  void loadTextureFromFile(std::string_view path, texture_ptr& texture);
+
   sdl_wrapper sdl_;
   img_wrapper img_;
   window_ptr win_;
@@ -132,6 +139,10 @@ private:
   texture_ptr playerSheet_;
   texture_ptr tileset_;
   texture_ptr lamp_;
+
+  std::array<texture_ptr, NUM_TITLES> titles_;
+  std::array<int, NUM_TITLES> titleWidths_;
+  std::array<int, NUM_TITLES> titleHeights_;
 };
 
 #endif /* end of include guard: RENDERER_H_6A58EC30 */