From 9961e25c00590ef5c7bea2c8f9769a392248b68a Mon Sep 17 00:00:00 2001
From: Alfred Burgess <alfred.burgess95@gmail.com>
Date: Sun, 10 Dec 2023 08:07:11 +0800
Subject: [PATCH] Added texture spriting ability
---
assets/texture_test.png | Bin 0 -> 1136 bytes
include/components/cTexture.h | 2 +-
include/window.h | 3 +++
src/components/cTexture.cpp | 9 ++++++--
src/window.cpp | 41 ++++++++++++++++++++++++++++++++++
5 files changed, 52 insertions(+), 3 deletions(-)
create mode 100644 assets/texture_test.png
diff --git a/assets/texture_test.png b/assets/texture_test.png
new file mode 100644
index 0000000000000000000000000000000000000000..597523658634a02502ad20caef19789358a0b5c2
GIT binary patch
literal 1136
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w{(Ji@&u)En^Yre^9K$6Q!@L~2ch7G=DSglGuyZO=z*2(2)78&qol`;+0GS`pMF0Q*
literal 0
HcmV?d00001
diff --git a/include/components/cTexture.h b/include/components/cTexture.h
index 22c9b23..f86b6c6 100644
--- a/include/components/cTexture.h
+++ b/include/components/cTexture.h
@@ -18,7 +18,7 @@ class cTexture : public CComponentGeneric
bool loadFromFile( std::string path );
void free();
void render( Vec2 pt );
- void render( Vec2 pt, SDL_Renderer *renderer );
+ void render( Vec2 pt, SDL_Renderer *renderer, SDL_Rect* clip = NULL );
int getWidth(){ return this->_width; }
int getHeight(){ return this->_height; }
diff --git a/include/window.h b/include/window.h
index 9c99ba2..7970780 100644
--- a/include/window.h
+++ b/include/window.h
@@ -55,6 +55,9 @@ class Window
SDL_Texture* _activeTexture;
cTexture* _background;
cTexture* _character;
+ cTexture* _textureSprite;
+ SDL_Rect _sprites[4];
+
SDL_Renderer* _renderer;
SDL_Surface* _screenSurface;
SDL_Surface* _renderSurface;
diff --git a/src/components/cTexture.cpp b/src/components/cTexture.cpp
index c561904..8034caf 100644
--- a/src/components/cTexture.cpp
+++ b/src/components/cTexture.cpp
@@ -43,12 +43,17 @@ void cTexture::free()
}
}
-void cTexture::render( Vec2 pt, SDL_Renderer *renderer )
+void cTexture::render( Vec2 pt, SDL_Renderer *renderer, SDL_Rect* clip )
{
if( this->_width && this->_height )
{
SDL_Rect quad = { (int)pt.x, (int)pt.y, this->_width, this->_height };
- SDL_RenderCopy( renderer, this->_texture, NULL, &quad );
+ if( clip != NULL )
+ {
+ quad.w = clip->w;
+ quad.h = clip->h;
+ }
+ SDL_RenderCopy( renderer, this->_texture, clip, &quad );
}
}
void cTexture::render( Vec2 pt )
diff --git a/src/window.cpp b/src/window.cpp
index 118b728..810c82c 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -12,6 +12,7 @@ Window::Window()
this->_renderSurface = nullptr;
this->_background = new cTexture();
this->_character = new cTexture();
+ this->_textureSprite = new cTexture();
}
Window::~Window()
{
@@ -79,6 +80,32 @@ void Window::loadMedia()
{
this->_background->loadFromFile( "assets/background.png" );
this->_character->loadFromFile( "assets/person.png" );
+ if( this->_textureSprite->loadFromFile( "assets/texture_test.png" ) )
+ {
+ //Set top left sprite
+ this->_sprites[ 0 ].x = 0;
+ this->_sprites[ 0 ].y = 0;
+ this->_sprites[ 0 ].w = 100;
+ this->_sprites[ 0 ].h = 100;
+
+ //Set top right sprite
+ this->_sprites[ 1 ].x = 100;
+ this->_sprites[ 1 ].y = 0;
+ this->_sprites[ 1 ].w = 100;
+ this->_sprites[ 1 ].h = 100;
+
+ //Set bottom left sprite
+ this->_sprites[ 2 ].x = 0;
+ this->_sprites[ 2 ].y = 100;
+ this->_sprites[ 2 ].w = 100;
+ this->_sprites[ 2 ].h = 100;
+
+ //Set bottom right sprite
+ this->_sprites[ 3 ].x = 100;
+ this->_sprites[ 3 ].y = 100;
+ this->_sprites[ 3 ].w = 100;
+ this->_sprites[ 3 ].h = 100;
+ }
}
void Window::loadMedia( std::string path )
{
@@ -93,6 +120,18 @@ void Window::update() {
SDL_Rect bg = this->_createViewport( 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT );
this->_background->render( {0,0}, this->_renderer );
this->_character->render( {SCREEN_HEIGHT/3,SCREEN_HEIGHT/3}, this->_renderer );
+ // this->_textureSprite->render( {0,0}, this->_renderer );
+
+ //Render top left sprite
+ this->_textureSprite->render( {0, 0}, this->_renderer, &this->_sprites[ 0 ] );
+ //Render top right sprite
+ this->_textureSprite->render( {SCREEN_WIDTH - this->_sprites[ 1 ].w, 0}, this->_renderer, &this->_sprites[ 1 ] );
+ //Render bottom left sprite
+ this->_textureSprite->render( {0, SCREEN_HEIGHT - this->_sprites[ 2 ].h}, this->_renderer, &this->_sprites[ 2 ] );
+ //Render bottom right sprite
+ this->_textureSprite->render( {SCREEN_WIDTH - this->_sprites[ 3 ].w, SCREEN_HEIGHT - this->_sprites[ 3 ].h}, this->_renderer, &this->_sprites[ 3 ] );
+
+
SDL_Rect core = this->_createViewport( SCREEN_WIDTH / 4, SCREEN_HEIGHT / 4, SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2 );
@@ -121,6 +160,7 @@ void Window::update() {
}
}
+
// SDL_RenderCopy( this->_renderer, this->_activeTexture, NULL, NULL );
@@ -237,6 +277,7 @@ void Window::clean()
this->_activeTexture = nullptr;
delete this->_background;
delete this->_character;
+ delete this->_textureSprite;
//Destroy window
SDL_DestroyRenderer( this->_renderer );
--
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