fix OpenGL exception, the Lua CMake, and some warnings

.travis.yml

@@ -7,6 +7,5 @@ before_install:
     - export CXX="g++-6" CC="gcc-6"
 
 before_script:
-  - sudo apt-get install -y libudev-dev libjpeg62-dev libsndfile1-dev libglew1.5 libglew1.5-dev libfreetype6 libjpeg-turbo8 libjpeg8 libopenal-data libopenal1 libopenal-dev libxrandr2 libxrender1 libsoil1
-
-script: mkdir build && cd build && cmake .. && make
+  - sudo apt-get install -y libudev-dev libjpeg62-dev libsndfile1-dev libglew1.5 libglew1.5-dev libfreetype6 libjpeg-turbo8 libjpeg8 libopenal-data libopenal1 libopenal-dev libxrandr2 libxrender1 libsoil1 xorg-dev libglu1-mesa-dev
+script: mkdir build && cd build && cmake .. && make

deps/Lua/src/CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required (VERSION 2.6)
-
+cmake_policy(SET CMP0015 NEW)
 project (lua)  # project here actually means solution in premake
 
 if(WIN32)

src/app/Application.cpp

@@ -1,4 +1,4 @@
-#include "Application.h"
+#include "Application.h"
 
 #include "states/StateMenu.h"
 #include "states/StatePlaying.h"
@@ -79,7 +79,7 @@ void Application::start()
 			updates++;
 			upTimer += UP_TICK;
 			m_states.back()->update(timestep);
-			for (int32 i = m_panels.size() - 1; i >= 0; i--)
+			for (int32 i = static_cast<int32>(m_panels.size()) - 1; i >= 0; i--)
 				m_panels[i]->update();
 		}
 
@@ -124,7 +124,7 @@ void Application::render()
 
 	sf::View oldView = m_window.getView();
 	m_window.setView(m_uiView);
-	for (int32 i = m_panels.size() - 1; i >= 0; i--)
+	for (int32 i = static_cast<int32>(m_panels.size()) - 1; i >= 0; i--)
 		m_panels[i]->render(m_window);
 	m_fpsLabel->render(m_window);
 

src/entity/AStar.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 #include "../Common.h"
 
@@ -63,7 +63,7 @@ namespace std
 			auto h1 = hasher(std::get<0>(pos));
 			auto h2 = hasher(std::get<1>(pos));
 
-			return std::hash<int>{}((h1 ^ h2) >> 2);
+			return std::hash<int>{}((static_cast<int>(h1 ^ h2)) >> 2);
 		}
 	};
-}
+}

src/entity/Entity.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 #include "../components/Component.h"
 

src/graphics/Renderer2D.cpp

@@ -1,4 +1,4 @@
-#include "Renderer2D.h"
+#include "Renderer2D.h"
 
 #include "../maths/maths.h"
 #include "../maths/Color.h"
@@ -8,7 +8,10 @@ namespace Graphics
 	Renderer2D::Renderer2D()
 	{
 		m_before.buffer = new sf::Vertex[MAX_VERTICES];
+		m_before.vertexCount = 0;
+
 		m_after.buffer = new sf::Vertex[MAX_VERTICES];
+		m_after.vertexCount = 0;
 	}
 
 	Renderer2D::~Renderer2D()
@@ -76,4 +79,4 @@ namespace Graphics
 
 		render.vertexCount += 4;
 	}
-}
+}

src/level/gen/WorldGenerator.cpp

@@ -1,4 +1,4 @@
-#include "WorldGenerator.h"
+#include "WorldGenerator.h"
 #include "../../util/FileUtil.h"
 
 namespace WGenerator
@@ -11,8 +11,8 @@ namespace WGenerator
 
 		if (! (mainJSON["seed"] == "random")) m_generator.setSeed(mainJSON["seed"]);
 
-		for (int i=0; i < mainJSON["width"]; i++) {
-			for (int j=0; j<mainJSON["height"]; j++) {
+		for (int i=0; i < static_cast<int>(mainJSON["width"]); i++) {
+			for (int j=0; j < static_cast<int>(mainJSON["height"]); j++) {
 				addList.push_back({i, j, mainJSON["defaultWall"], 0});
 			}
 		}
@@ -32,7 +32,7 @@ namespace WGenerator
 				if (!m_leafs[i]->leftChild && !m_leafs[i]->rightChild)
 				{
 					int randomizedValue = m_generator.intInRange(0, 100);
-					if (m_leafs[i]->block.width > mainJSON["maxLeafSize"] || m_leafs[i]->block.height > mainJSON["maxLeafSize"] ||
+					if (m_leafs[i]->block.width > static_cast<int32>(mainJSON["maxLeafSize"]) || m_leafs[i]->block.height > static_cast<int32>(mainJSON["maxLeafSize"]) ||
 						randomizedValue > 25)
 					{
 						if (m_leafs[i]->split())
@@ -113,7 +113,7 @@ namespace WGenerator
 		data.push_back(std::make_pair<std::vector<std::shared_ptr<IntRectangle>>, byte>(getHalls(), mainJSON["defaultFloor"]));
 		renderRooms();
 		render(data);
-		uint numberOfRooms = getRooms().size();
+		uint numberOfRooms = static_cast<uint>(getRooms().size());
 		map.addList = addList;
 		map.playerPosition = placePlayer(static_cast<uint>(m_generator.uint64InRange(0, numberOfRooms)));
 		return map;
@@ -147,7 +147,7 @@ namespace WGenerator
 			uint i=0;
 			while (true){
 				if (i >= random.size()) break;
-				if (random.at(i)["chance"] > x) {
+				if (static_cast<uint>(random.at(i)["chance"]) > x) {
 					renderRoom(*rooms[roomIterator], random[i]);
 					break;
 				}

src/level/tile/TileMap.cpp

@@ -1,4 +1,4 @@
-#include "TileMap.h"
+#include "TileMap.h"
 
 #include "TileDatabase.h"
 
@@ -114,8 +114,8 @@ namespace Level
 
 					// --
 					// Do not render tiles that can not be seen (dark)
-					int32 xa = x - 1 <= 0 ? 1 : x - 1, xb = x + 1 >= height ? height - 1 : x + 1;
-					int32 ya = y - 1 <= 0 ? 1 : y - 1, yb = y + 1 >= height ? height - 1 : y + 1;
+					int32 xa = x - 1 <= 0 ? 1 : x - 1, xb = x + 1 >= (int32)height ? height - 1 : x + 1;
+					int32 ya = y - 1 <= 0 ? 1 : y - 1, yb = y + 1 >= (int32)height ? height - 1 : y + 1;
 
 					if (layer->tiles[xa][ya]->light.color == Color::Black && layer->tiles[xb][yb]->light.color == Color::Black
 						&& layer->tiles[xa][yb]->light.color == Color::Black && layer->tiles[xb][ya]->light.color == Color::Black)

src/util/Log.h

@@ -1,4 +1,4 @@
-#pragma once
+#pragma once
 
 #include "../Common.h"
 
@@ -107,7 +107,7 @@ namespace Log
 	inline void print_log_internal(char* buffer, int32& position, First&& first)
 	{
 		const char* formatted = Log::to_string<First>(first);
-		int32 length = strlen(formatted);
+		int32 length = static_cast<int32>(strlen(formatted));
 		memcpy(&buffer[position], formatted, length);
 		position += length;
 	}
@@ -116,7 +116,7 @@ namespace Log
 	inline void print_log_internal(char* buffer, int32& position, First&& first, Args&&... args)
 	{
 		const char* formatted = Log::to_string<First>(first);
-		int32 length = strlen(formatted);
+		int32 length = static_cast<int32>(strlen(formatted));
 		memcpy(&buffer[position], formatted, length);
 		position += length;
 		if (sizeof...(Args))