From 871943d6a90bdb92b3cc495d4d927199611f8c6b Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Thu, 4 Feb 2021 20:45:18 -0500
Subject: Added text boxes

Text now reveals itself and scrolls! Yay! It even plays speaker beeps.

TODO: the arror indicating an A press is needed. Bullets on lines that need bullets. The header that says who the speaker is, if relevant.
---
 src/renderer.cpp | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

(limited to 'src/renderer.cpp')

diff --git a/src/renderer.cpp b/src/renderer.cpp
index 2c6cf5c..b22c316 100644
--- a/src/renderer.cpp
+++ b/src/renderer.cpp
@@ -1,4 +1,5 @@
 #include "renderer.h"
+#include <iostream>
 #include "consts.h"
 #include "game.h"
 #include "map.h"
@@ -153,6 +154,33 @@ void Renderer::render(Game& game) {
     int bottomBarHeight = 36.0 * game.getSystem<MessageSystem>().getCutsceneBarsProgress();
     SDL_Rect bottomBar { 0, CANVAS_HEIGHT - bottomBarHeight, CANVAS_WIDTH, bottomBarHeight };
     SDL_RenderFillRect(ren_.get(), &bottomBar);
+
+    if (game.getSystem<MessageSystem>().getCutsceneBarsProgress() == 1.0 &&
+        !game.getSystem<MessageSystem>().getLines().empty()) {
+      int lineIndex = 0;
+      for (const MessageSystem::MessageLine& line : game.getSystem<MessageSystem>().getLines()) {
+        if (messageLines_[lineIndex].line != line.text) {
+          renderMessageLine(lineIndex, line.text, game);
+        }
+
+        // 18x, 127y1, 143y2
+        if (line.charsRevealed > 0) {
+          SDL_Rect srcRect {
+            0, 0, messageLines_[lineIndex].charIndexToWidth[line.charsRevealed],
+            game.getFont().getCharacterHeight()
+          };
+          SDL_Rect destRect {
+            18,
+            127 + 16 * lineIndex,
+            srcRect.w,
+            srcRect.h };
+
+          SDL_RenderCopy(ren_.get(), messageLines_[lineIndex].renderedTex.get(), &srcRect, &destRect);
+        }
+
+        lineIndex++;
+      }
+    }
   }
 
   SDL_SetRenderTarget(ren_.get(), nullptr);
@@ -175,3 +203,46 @@ int Renderer::loadImageFromFile(std::string_view filename) {
 
   return texId;
 }
+
+void Renderer::renderMessageLine(int lineIndex, const std::string& text, Game& game) {
+  MessageCache& line = messageLines_[lineIndex];
+  line.line = text;
+
+  line.renderedTex.reset(
+    SDL_CreateTexture(
+      ren_.get(),
+      SDL_PIXELFORMAT_RGBA8888,
+      SDL_TEXTUREACCESS_TARGET,
+      MESSAGE_TEXT_WIDTH,
+      game.getFont().getCharacterHeight()));
+
+  SDL_SetTextureBlendMode(line.renderedTex.get(), SDL_BLENDMODE_BLEND);
+
+  SDL_SetRenderTarget(ren_.get(), line.renderedTex.get());
+  SDL_SetRenderDrawBlendMode(ren_.get(), SDL_BLENDMODE_BLEND);
+  SDL_SetRenderDrawColor(ren_.get(), 0, 0, 0, 0);
+  SDL_RenderClear(ren_.get());
+
+  line.charIndexToWidth.clear();
+  line.charIndexToWidth.push_back(0);
+
+  int length = 0;
+
+  for (int i=0; i<line.line.size(); i++) {
+    if (line.line[i] != ' ') {
+      vec2i charLoc = game.getFont().getCharacterLocation(line.line[i]);
+      vec2i charSize = game.getFont().getCharacterSize(line.line[i]);
+      SDL_Rect srcRect { charLoc.x(), charLoc.y(), charSize.w(), charSize.h() };
+      SDL_Rect destRect { length, 0, charSize.w(), charSize.h() };
+
+      SDL_RenderCopy(ren_.get(), textures_.at(game.getFont().getTextureId()).get(), &srcRect, &destRect);
+
+      length++;
+    }
+
+    length += game.getFont().getCharacterWidth(line.line[i]);
+    line.charIndexToWidth.push_back(length);
+  }
+
+  line.charIndexToWidth.back()--;
+}
-- 
cgit 1.4.1