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Tilemaps implemented
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6 files changed

Lines changed: 130 additions & 2 deletions

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‎Chapter02/AnimSpriteComponent.h‎

Lines changed: 1 addition & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -10,9 +10,8 @@
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#include "SpriteComponent.h"
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#include <vector>
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class AnimSpriteInfo
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struct AnimSpriteInfo
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{
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public:
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AnimSpriteInfo(int start, int end, bool looping)
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:start(start)
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,end(end)

‎Chapter02/Game.cpp‎

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@@ -13,6 +13,7 @@
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#include "SpriteComponent.h"
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#include "Ship.h"
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#include "BGSpriteComponent.h"
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#include "TileMapComponent.h"
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Game::Game()
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:mWindow(nullptr)
@@ -179,6 +180,13 @@ void Game::LoadData()
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};
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bg->SetBGTextures(bgtexs);
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bg->SetScrollSpeed(-200.0f);
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// Create Tilemap
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TileMapComponent* tm = new TileMapComponent(temp);
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//tm->LoadTilemap("Assets/MapLayer3.csv", GetTexture("Assets/Tiles.png"), 32);
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//tm = new TileMapComponent(temp);
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tm->LoadTilemap("Assets/MapLayer2.csv", GetTexture("Assets/Tiles.png"), 32);
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tm = new TileMapComponent(temp);
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tm->LoadTilemap("Assets/MapLayer1.csv", GetTexture("Assets/Tiles.png"), 32);
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}
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void Game::UnloadData()

‎Chapter02/Game.vcxproj‎

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@@ -20,6 +20,7 @@
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<ClCompile Include="Math.cpp" />
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<ClCompile Include="Ship.cpp" />
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<ClCompile Include="SpriteComponent.cpp" />
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<ClCompile Include="TileMapComponent.cpp" />
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="Actor.h" />
@@ -30,6 +31,7 @@
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<ClInclude Include="Math.h" />
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<ClInclude Include="Ship.h" />
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<ClInclude Include="SpriteComponent.h" />
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<ClInclude Include="TileMapComponent.h" />
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<ProjectGuid>{BC508D87-495F-4554-932D-DD68388B63CC}</ProjectGuid>

‎Chapter02/Game.vcxproj.filters‎

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Original file line numberDiff line numberDiff line change
@@ -34,6 +34,9 @@
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<ClCompile Include="BGSpriteComponent.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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<ClCompile Include="TileMapComponent.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<ClInclude Include="Actor.h">
@@ -60,5 +63,8 @@
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<ClInclude Include="BGSpriteComponent.h">
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<Filter>Source Files</Filter>
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</ClInclude>
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<ClInclude Include="TileMapComponent.h">
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<Filter>Source Files</Filter>
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</ClInclude>
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</ItemGroup>
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</Project>

‎Chapter02/TileMapComponent.cpp‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,93 @@
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#include "TileMapComponent.h"
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#include "Actor.h"
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#include <fstream>
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#include <sstream>
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#include <iostream>
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TileMapComponent::TileMapComponent(Actor* owner, int drawOrder)
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:SpriteComponent(owner, drawOrder)
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{
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}
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void TileMapComponent::Draw(SDL_Renderer* renderer)
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{
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if (mTexture)
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{
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SDL_Rect dsrect;
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dsrect.w = mTileSize;
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dsrect.h = mTileSize;
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for (int i = 0; i < mLoadedCSV.size(); i++)
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{
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dsrect.y = i * mTileSize;
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for (int j = 0; j < mLoadedCSV[i].size(); j++)
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{
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if (mLoadedCSV[i][j] > -1)
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{
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dsrect.x = j * mTileSize;
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// Draw (have to convert angle from radians to degrees, and clockwise to counter)
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SDL_RenderCopyEx(renderer,
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mTexture,
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&mTileRects[mLoadedCSV[i][j]],
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&dsrect,
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-Math::ToDegrees(mOwner->GetRotation()),
34+
nullptr,
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SDL_FLIP_NONE);
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}
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}
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}
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}
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}
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void TileMapComponent::LoadTilemap(std::string&& CSVPath, SDL_Texture* tilemapTexture, int tileSize)
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{
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mTexture = tilemapTexture;
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mTileSize = tileSize;
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47+
SDL_QueryTexture(tilemapTexture, nullptr, nullptr, &mTexWidth, &mTexHeight);
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49+
// Split the texture in to tiles to use with a csv tilemap.
50+
int tilesW = mTexWidth / tileSize;
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int tilesH = mTexHeight / tileSize;
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for (int i = 0; i < tilesH; i++)
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{
54+
for (int j = 0; j < tilesW; j++)
55+
{
56+
SDL_Rect tilerect;
57+
tilerect.x = j * tileSize;
58+
tilerect.y = i * tileSize;
59+
tilerect.w = tileSize;
60+
tilerect.h = tileSize;
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62+
mTileRects.emplace_back(std::move(tilerect));
63+
}
64+
}
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66+
std::cout << "Tiles loaded: " << mTileRects.size() << std::endl;
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68+
// Load desired tiles from csv file.
69+
std::ifstream fin(std::move(CSVPath));
70+
std::string s;
71+
char cstring[4];
72+
while (std::getline(fin, s))
73+
{
74+
std::istringstream ss;
75+
ss.str(s);
76+
std::vector<int> CSVLine;
77+
while (ss.getline(cstring, 4, ','))
78+
{
79+
CSVLine.emplace_back(stoi(std::string(cstring)));
80+
}
81+
mLoadedCSV.emplace_back(std::move(CSVLine));
82+
}
83+
84+
// Print loaded tilemap to console.
85+
for (auto& intvec : mLoadedCSV)
86+
{
87+
for (int i : intvec)
88+
{
89+
std::cout << i;
90+
}
91+
std::cout << std::endl;
92+
}
93+
}

‎Chapter02/TileMapComponent.h‎

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Original file line numberDiff line numberDiff line change
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#pragma once
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#include "SpriteComponent.h"
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#include <vector>
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#include <string>
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#include "Math.h"
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7+
8+
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class TileMapComponent : public SpriteComponent
10+
{
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public:
12+
TileMapComponent(Actor* owner, int drawOrder = 50);
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void LoadTilemap(std::string&& CSVPath, SDL_Texture* tilemapTexture, int tileSize);
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virtual void Draw(SDL_Renderer* renderer);
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private:
16+
std::vector<std::vector<int>> mLoadedCSV;
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std::vector<SDL_Rect> mTileRects;
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int mTileSize;
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};
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