From 11e77a9d65972c8e59aefd72419dfcf9036e9f6a Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Tue, 23 Sep 2014 00:13:05 +0200
Subject: Allow player movement

---
 src/control/InputHandler.hpp | 73 ++++++++++++++++++++++++++++++++++++++++++++
 src/control/MapContext.hpp   | 23 ++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 src/control/InputHandler.hpp

(limited to 'src/control')

diff --git a/src/control/InputHandler.hpp b/src/control/InputHandler.hpp
new file mode 100644
index 0000000..eba94d1
--- /dev/null
+++ b/src/control/InputHandler.hpp
@@ -0,0 +1,73 @@
+/*
+  Copyright (c) 2014, Matthias Schiffer <mschiffer@universe-factory.net>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#pragma once
+
+#include <SDL.h>
+
+#include <cstdint>
+#include <unordered_set>
+
+
+namespace RPGEdit {
+
+namespace Control {
+
+class InputHandler {
+private:
+	std::unordered_set<uint16_t> pressedKeys;
+	std::unordered_set<uint16_t> unhandledKeys;
+
+public:
+	void keyPressed(SDL_Scancode key) {
+		pressedKeys.insert(key);
+		unhandledKeys.insert(key);
+	}
+
+	void keyReleased(SDL_Scancode key) {
+		pressedKeys.erase(key);
+	}
+
+	void keyHandled(SDL_Scancode key) {
+		unhandledKeys.erase(key);
+	}
+
+	void resetHandled() {
+		unhandledKeys.clear();
+	}
+
+	bool isKeyPressed(SDL_Scancode key) {
+		return pressedKeys.count(key);
+	}
+
+	bool isKeyUnhandled(SDL_Scancode key) {
+		return unhandledKeys.count(key);
+	}
+};
+
+}
+
+}
diff --git a/src/control/MapContext.hpp b/src/control/MapContext.hpp
index a98d818..4cbf38a 100644
--- a/src/control/MapContext.hpp
+++ b/src/control/MapContext.hpp
@@ -27,6 +27,7 @@
 #pragma once
 
 #include "ImageLoader.hpp"
+#include "InputHandler.hpp"
 #include "../model/Map.hpp"
 #include "../view/MapView.hpp"
 
@@ -47,9 +48,31 @@ private:
 	std::vector<SDL_Surface *> tiles;
 	std::map<std::string, SDL_Surface *> entities;
 
+	uint64_t totalTicks = 0;
+
 public:
 	MapContext(ImageLoader *imageLoader0, const std::shared_ptr<const Model::Map> &map0);
 
+	void advance(InputHandler *inputHandler, uint32_t ticks) {
+		uint64_t totalTicksOld = totalTicks;
+		totalTicks += ticks;
+
+		uint64_t advanced = totalTicks/100 - totalTicksOld/100;
+
+		if (inputHandler->isKeyPressed(SDL_SCANCODE_UP)) {
+			map->getPlayerEntity().move(Model::NORTH, advanced);
+		}
+		else if (inputHandler->isKeyPressed(SDL_SCANCODE_RIGHT)) {
+			map->getPlayerEntity().move(Model::EAST, advanced);
+		}
+		else if (inputHandler->isKeyPressed(SDL_SCANCODE_DOWN)) {
+			map->getPlayerEntity().move(Model::SOUTH, advanced);
+		}
+		else if (inputHandler->isKeyPressed(SDL_SCANCODE_LEFT)) {
+			map->getPlayerEntity().move(Model::WEST, advanced);
+		}
+	}
+
 	std::shared_ptr<View::MapView> initView(const std::shared_ptr<View::Window> &window) {
 		return std::make_shared<View::MapView>(window, map, tiles, entities);
 	}
-- 
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