From 4b6e5eb5d3e0733c239a7a231da91a9977c38246 Mon Sep 17 00:00:00 2001
From: Star Rauchenberger <fefferburbia@gmail.com>
Date: Sat, 12 Mar 2022 14:12:42 -0500
Subject: dynamic wall and floor textures

---
 src/renderer.cpp | 80 ++++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 66 insertions(+), 14 deletions(-)

(limited to 'src/renderer.cpp')

diff --git a/src/renderer.cpp b/src/renderer.cpp
index 0aaa14a..00b557a 100644
--- a/src/renderer.cpp
+++ b/src/renderer.cpp
@@ -122,6 +122,18 @@ Renderer::Renderer()
   }
 
   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);
 }
 
 void Renderer::render(
@@ -151,12 +163,19 @@ void Renderer::render(
     for (int x = game.map.getLeft(); x < game.map.getRight(); x++)
     {
       bool draw = true;
+      bool drawColour = false;
+      SDL_Rect rect {
+        game.map.getTrueX(x) * TILE_WIDTH,
+        game.map.getTrueY(y) * TILE_HEIGHT,
+        TILE_WIDTH,
+        TILE_HEIGHT};
 
       if (!game.map.at(x,y).lit)
       {
         if (drawDark)
         {
           SDL_SetRenderDrawColor(ren_.get(), 40, 40, 40, 255);
+          drawColour = true;
         } else {
           draw = false;
         }
@@ -186,6 +205,7 @@ void Renderer::render(
           case Tile::Lamp:
           {
             SDL_SetRenderDrawColor(ren_.get(), 0, 255, 255, alpha);
+            drawColour = true;
             break;
           }
         }
@@ -193,22 +213,47 @@ void Renderer::render(
 
       if (draw)
       {
-        SDL_Rect rect {
-          game.map.getTrueX(x) * TILE_WIDTH,
-          game.map.getTrueY(y) * TILE_HEIGHT,
-          TILE_WIDTH,
-          TILE_HEIGHT};
-
-        SDL_RenderFillRect(ren_.get(), &rect);
+        if (game.map.at(x,y).tile == Tile::Floor || game.map.at(x,y).tile == Tile::Dust) {
+          SDL_Rect tileRect {17 * 16, 15 * 16, 16, 16};
+          SDL_RenderCopy(ren_.get(), tileset_.get(), &tileRect, &rect);
+
+          if (game.map.at(x,y).renderId != -1) {
+            tileRect.x = game.map.at(x,y).renderId % 24 * 16;
+            tileRect.y = game.map.at(x,y).renderId / 24 * 16;
+            SDL_RenderCopy(ren_.get(), tileset_.get(), &tileRect, &rect);
+          }
+        } else if (game.map.at(x,y).tile == Tile::Wall) {
+          SDL_Rect tileRect {
+            game.map.at(x,y).renderId % 24 * 16,
+            game.map.at(x,y).renderId / 24 * 16,
+            16,
+            16};
+
+          SDL_RenderCopy(ren_.get(), tileset_.get(), &tileRect, &rect);
+        }
 
-        if ((game.player_x == x && game.player_y == y) && game.renderPlayer)
-        {
-          SDL_RenderCopy(ren_.get(), playerSheet_.get(), &game.playerAnim.getRenderRect(), &rect);
+        if (drawColour) {
+          SDL_RenderFillRect(ren_.get(), &rect);
         }
       }
     }
   }
 
+  if (game.renderPlayer) {
+    SDL_Rect rect {
+      game.map.getTrueX(game.player_x) * TILE_WIDTH,
+      game.map.getTrueY(game.player_y) * TILE_HEIGHT,
+      TILE_WIDTH,
+      TILE_HEIGHT};
+
+    if (game.moving) {
+      rect.x = game.moveProgress.getProgress(game.map.getTrueX(game.player_oldx) * TILE_WIDTH, rect.x);
+      rect.y = game.moveProgress.getProgress(game.map.getTrueY(game.player_oldy) * TILE_HEIGHT, rect.y);
+    }
+
+    SDL_RenderCopy(ren_.get(), playerSheet_.get(), &game.playerAnim.getRenderRect(), &rect);
+  }
+
   texture_ptr mask(
     SDL_CreateTexture(
       ren_.get(),
@@ -250,10 +295,17 @@ void Renderer::render(
         SDL_SetRenderDrawColor(ren_.get(), 0, 0, 0, 0);
         SDL_RenderClear(ren_.get());
 
-        int fadeX = game.map.getTrueX(x) - game.map.at(x,y).lightRadius;
-        int fadeY = game.map.getTrueY(y) - game.map.at(x,y).lightRadius;
-        int fadeRight = game.map.getTrueX(x) + game.map.at(x,y).lightRadius;
-        int fadeBottom = game.map.getTrueY(y) + game.map.at(x,y).lightRadius;
+        int posToUseX = game.map.getTrueX(x);
+        int posToUseY = game.map.getTrueY(y);
+        if (game.map.at(x,y).lightType == Source::Player && game.moving) {
+          posToUseX = game.moveProgress.getProgress(game.map.getTrueX(game.player_oldx), posToUseX);
+          posToUseY = game.moveProgress.getProgress(game.map.getTrueY(game.player_oldy), posToUseY);
+        }
+
+        int fadeX = posToUseX - game.map.at(x,y).lightRadius;
+        int fadeY = posToUseY - game.map.at(x,y).lightRadius;
+        int fadeRight = posToUseX + game.map.at(x,y).lightRadius;
+        int fadeBottom = posToUseY + game.map.at(x,y).lightRadius;
 
         SDL_Rect fadeRect {
           fadeX * TILE_WIDTH,
-- 
cgit 1.4.1