Package dev.prozilla.pine.core.rendering

Class Renderer

java.lang.Object

dev.prozilla.pine.core.rendering.Renderer

All Implemented Interfaces:

Lifecycle

public class Renderer
extends Object
implements Lifecycle

Handles rendering process.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MAX_TEXTURES	Matches the length of uTextures in the fragment shader.
static final int	VERTEX_BUFFER_SIZE	The amount of strides to fit into a single vertex buffer.

Constructor Summary

Constructors

Constructor	Description
Renderer(Application application)

Method Summary

Modifier and Type	Method	Description
void	begin()	Begin rendering.
void	clear()	Clears the drawing area.
void	destroy()	Disposes renderer and cleans up its used data.
void	drawDebugText(CharSequence text, float x, float y)	Draw debug text at the specified position.
void	drawDebugText(CharSequence text, float x, float y, Color c)	Draw debug text at the specified position and color.
void	drawRect(float x, float y, float z, float width, float height)	Draws a white rectangle at the given position.
void	drawRect(float x, float y, float z, float width, float height, Color c)	Draws a colored rectangle at the given position.
void	drawRotatedTexture(Texture texture, float x, float y, float z, float r)
void	drawRotatedTexture(Texture texture, float x, float y, float z, Color c, float r)
void	drawRotatedTextureRegion(float x1, float y1, float x2, float y2, float z, float s1, float t1, float s2, float t2, float r)
void	drawRotatedTextureRegion(float x1, float y1, float x2, float y2, float z, float s1, float t1, float s2, float t2, Color c, float r)
void	drawRotatedTextureRegion(Texture texture, float x, float y, float z, float regX, float regY, float regWidth, float regHeight, float r)
void	drawRotatedTextureRegion(Texture texture, float x, float y, float z, float regX, float regY, float regWidth, float regHeight, Color c, float r)
void	drawText(Font font, CharSequence text, float x, float y, float z)	Draw text at the specified position.
void	drawText(Font font, CharSequence text, float x, float y, float z, Color c)	Draw text at the specified position and color.
void	drawText(CharSequence text, float x, float y, float z)
void	drawText(CharSequence text, float x, float y, float z, Color c)
void	drawTexture(Texture texture, float x, float y, float z)	Draws a texture on specified coordinates.
void	drawTexture(Texture texture, float x, float y, float z, Color c)	Draws a texture on specified coordinates and with specified color.
void	drawTextureRegion(float x1, float y1, float x2, float y2, float z, float s1, float t1, float s2, float t2)	Draws a texture region on specified coordinates.
void	drawTextureRegion(float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float z, float s1, float t1, float s2, float t2, Color c)	Draws a texture region on specified coordinates.
void	drawTextureRegion(float x1, float y1, float x2, float y2, float z, float s1, float t1, float s2, float t2, Color c)	Draws a texture region on specified coordinates.
void	drawTextureRegion(Texture texture, float x, float y, float z, float regX, float regY, float regWidth, float regHeight)	Draws a texture region on specified coordinates.
void	drawTextureRegion(Texture texture, float x, float y, float z, float regX, float regY, float regWidth, float regHeight, Color c)	Draws a texture region on specified coordinates.
void	end()	End rendering.
void	flush()	Flushes the data to the GPU to let it get rendered.
int	getDebugTextHeight(CharSequence text)	Calculates total height of a debug text.
int	getDebugTextWidth(CharSequence text)	Calculates total width of a debug text.
FrameBufferObject	getFbo()
int	getHeight()
int	getTextHeight(Font font, CharSequence text)	Calculates total height of a text.
int	getTextHeight(CharSequence text)
Vector2i	getTextSize(Font font, CharSequence text)
Vector2i	getTextSize(CharSequence text)
int	getTextWidth(Font font, CharSequence text)	Calculates total width of a text.
int	getTextWidth(CharSequence text)
int	getWidth()
void	init()	Initializes the object before the game loop starts.
void	initPreview(int width, int height)
boolean	isDrawing()
boolean	outOfBounds(float x, float y)	Checks if coordinates are outside the screen bounds.
boolean	outOfBounds(float x1, float y1, float x2, float y2)	Checks if a line is outside the screen bounds.
boolean	outOfBounds(float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4)	Checks if a quad is outside the screen bounds.
void	resetMirror()
void	resetScale()
void	resetTransform()
void	resize()	Updates the projection matrix according to the window's dimensions.
void	setMirrorHorizontally(boolean mirrorHorizontally)
void	setMirrorVertically(boolean mirrorVertically)
void	setScale(float scale)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface dev.prozilla.pine.common.Lifecycle

init, input, input, render, render, start, update, update

Field Details

MAX_TEXTURES

public static final int MAX_TEXTURES

Matches the length of uTextures in the fragment shader.

See Also:

• Constant Field Values

VERTEX_BUFFER_SIZE

public static final int VERTEX_BUFFER_SIZE

The amount of strides to fit into a single vertex buffer.

See Also:

• Constant Field Values

Constructor Details

Renderer

public Renderer(Application application)

Method Details

init

public void init()

Description copied from interface: Lifecycle

Initializes the object before the game loop starts.

Specified by:

init in interface Lifecycle

initPreview

public void initPreview(int width,
 int height)

clear

public void clear()

Clears the drawing area.

begin

public void begin()
           throws IllegalStateException

Begin rendering.

Throws:

IllegalStateException

end

public void end()
         throws IllegalStateException

End rendering.

Throws:

IllegalStateException

flush

public void flush()

Flushes the data to the GPU to let it get rendered.

resetTransform

public void resetTransform()

setScale

public void setScale(float scale)

resetScale

public void resetScale()

setMirrorHorizontally

public void setMirrorHorizontally(boolean mirrorHorizontally)

setMirrorVertically

public void setMirrorVertically(boolean mirrorVertically)

resetMirror

public void resetMirror()

getDebugTextWidth

public int getDebugTextWidth(CharSequence text)

Calculates total width of a debug text.

Parameters:

text - The text

Returns:

Total width of the text

getDebugTextHeight

public int getDebugTextHeight(CharSequence text)

Calculates total height of a debug text.

Parameters:

text - The text

Returns:

Total width of the text

drawDebugText

public void drawDebugText(CharSequence text,
 float x,
 float y)

Draw debug text at the specified position.

Parameters:

text - TextRenderer to draw

x - X coordinate of the text position

y - Y coordinate of the text position

drawDebugText

public void drawDebugText(CharSequence text,
 float x,
 float y,
 Color c)

Draw debug text at the specified position and color.

Parameters:

text - TextRenderer to draw

x - X coordinate of the text position

y - Y coordinate of the text position

c - Color to use

getTextSize

public Vector2i getTextSize(CharSequence text)

getTextSize

public Vector2i getTextSize(Font font,
 CharSequence text)

getTextWidth

public int getTextWidth(CharSequence text)

getTextWidth

public int getTextWidth(Font font,
 CharSequence text)

Calculates total width of a text.

Parameters:

text - The text

Returns:

Total width of the text

getTextHeight

public int getTextHeight(CharSequence text)

getTextHeight

public int getTextHeight(Font font,
 CharSequence text)

Calculates total height of a text.

Parameters:

text - The text

Returns:

Total width of the text

drawText

public void drawText(CharSequence text,
 float x,
 float y,
 float z)

drawText

public void drawText(Font font,
 CharSequence text,
 float x,
 float y,
 float z)

Draw text at the specified position.

Parameters:

text - TextRenderer to draw

x - X coordinate of the text position

y - Y coordinate of the text position

drawText

public void drawText(CharSequence text,
 float x,
 float y,
 float z,
 Color c)

drawText

public void drawText(Font font,
 CharSequence text,
 float x,
 float y,
 float z,
 Color c)

Draw text at the specified position and color.

Parameters:

text - TextRenderer to draw

x - X coordinate of the text position

y - Y coordinate of the text position

c - Color to use

drawRect

public void drawRect(float x,
 float y,
 float z,
 float width,
 float height)

Draws a white rectangle at the given position.

Parameters:

x - X position

y - Y position

width - Width of the rectangle

height - Height of the rectangle

drawRect

public void drawRect(float x,
 float y,
 float z,
 float width,
 float height,
 Color c)

Draws a colored rectangle at the given position.

Parameters:

x - X position

y - Y position

width - Width of the rectangle

height - Height of the rectangle

c - Color

drawRotatedTexture

public void drawRotatedTexture(Texture texture,
 float x,
 float y,
 float z,
 float r)

drawRotatedTexture

public void drawRotatedTexture(Texture texture,
 float x,
 float y,
 float z,
 Color c,
 float r)

drawTexture

public void drawTexture(Texture texture,
 float x,
 float y,
 float z)

Draws a texture on specified coordinates.

Parameters:

texture - Used for getting width and height of the texture

x - X position of the texture

y - Y position of the texture

drawTexture

public void drawTexture(Texture texture,
 float x,
 float y,
 float z,
 Color c)

Draws a texture on specified coordinates and with specified color.

Parameters:

texture - Used for getting width and height of the texture

x - X position of the texture

y - Y position of the texture

c - The color to use

drawRotatedTextureRegion

public void drawRotatedTextureRegion(Texture texture,
 float x,
 float y,
 float z,
 float regX,
 float regY,
 float regWidth,
 float regHeight,
 float r)

drawRotatedTextureRegion

public void drawRotatedTextureRegion(Texture texture,
 float x,
 float y,
 float z,
 float regX,
 float regY,
 float regWidth,
 float regHeight,
 Color c,
 float r)

drawRotatedTextureRegion

public void drawRotatedTextureRegion(float x1,
 float y1,
 float x2,
 float y2,
 float z,
 float s1,
 float t1,
 float s2,
 float t2,
 float r)

drawRotatedTextureRegion

public void drawRotatedTextureRegion(float x1,
 float y1,
 float x2,
 float y2,
 float z,
 float s1,
 float t1,
 float s2,
 float t2,
 Color c,
 float r)

drawTextureRegion

public void drawTextureRegion(Texture texture,
 float x,
 float y,
 float z,
 float regX,
 float regY,
 float regWidth,
 float regHeight)

Draws a texture region on specified coordinates.

Parameters:

texture - Used for getting width and height of the texture

x - X position of the texture

y - Y position of the texture

regX - X position of the texture region

regY - Y position of the texture region

regWidth - Width of the texture region

regHeight - Height of the texture region

drawTextureRegion

public void drawTextureRegion(Texture texture,
 float x,
 float y,
 float z,
 float regX,
 float regY,
 float regWidth,
 float regHeight,
 Color c)

Draws a texture region on specified coordinates.

Parameters:

texture - Used for getting width and height of the texture

x - X position of the texture

y - Y position of the texture

regX - X position of the texture region

regY - Y position of the texture region

regWidth - Width of the texture region

regHeight - Height of the texture region

c - The color to use

drawTextureRegion

public void drawTextureRegion(float x1,
 float y1,
 float x2,
 float y2,
 float z,
 float s1,
 float t1,
 float s2,
 float t2)

Draws a texture region on specified coordinates.

Parameters:

x1 - Bottom left x position

y1 - Bottom left y position

x2 - Top right x position

y2 - Top right y position

s1 - Bottom left s coordinate

t1 - Bottom left t coordinate

s2 - Top right s coordinate

t2 - Top right t coordinate

drawTextureRegion

public void drawTextureRegion(float x1,
 float y1,
 float x2,
 float y2,
 float z,
 float s1,
 float t1,
 float s2,
 float t2,
 Color c)

Draws a texture region on specified coordinates.

Parameters:

x1 - Bottom left x position

y1 - Bottom left y position

x2 - Top right x position

y2 - Top right y position

s1 - Bottom left s coordinate

t1 - Bottom left t coordinate

s2 - Top right s coordinate

t2 - Top right t coordinate

c - The color to use

drawTextureRegion

public void drawTextureRegion(float x1,
 float y1,
 float x2,
 float y2,
 float x3,
 float y3,
 float x4,
 float y4,
 float z,
 float s1,
 float t1,
 float s2,
 float t2,
 Color c)

Draws a texture region on specified coordinates.

outOfBounds

public boolean outOfBounds(float x1,
 float y1,
 float x2,
 float y2,
 float x3,
 float y3,
 float x4,
 float y4)

Checks if a quad is outside the screen bounds.

outOfBounds

public boolean outOfBounds(float x1,
 float y1,
 float x2,
 float y2)

Checks if a line is outside the screen bounds.

outOfBounds

public boolean outOfBounds(float x,
 float y)

Checks if coordinates are outside the screen bounds.

Parameters:

x - X position

y - Y position

Returns:

True if the coordinate is outside of bounds

destroy

public void destroy()

Disposes renderer and cleans up its used data.

Specified by:

destroy in interface Lifecycle

resize

public void resize()

Updates the projection matrix according to the window's dimensions.

getWidth

public int getWidth()

getHeight

public int getHeight()

isDrawing

public boolean isDrawing()

getFbo

public FrameBufferObject getFbo()