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3 Commits

Author SHA1 Message Date
DaniTheSkunk 2dc18a01fb added colour parameter to string drawing functions 2022-10-06 07:02:24 +00:00
DaniTheSkunk 903e5246dc implemented 9slice 2022-10-06 06:22:30 +00:00
DaniTheSkunk 009f80dd3a repeat parameter for textures 2022-10-06 05:37:54 +00:00
9 changed files with 154 additions and 38 deletions

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@ -1,4 +1,5 @@
import com.danitheskunk.skunkworks.*; import com.danitheskunk.skunkworks.*;
import com.danitheskunk.skunkworks.gfx.Color;
public class Test { public class Test {
public static void main(String[] args) { public static void main(String[] args) {
@ -26,8 +27,9 @@ public class Test {
var tileset = window.loadTextureArray("C:\\stream\\coding\\rlc\\tilemap.png", new Vec2i(16, 16)); var tileset = window.loadTextureArray("C:\\stream\\coding\\rlc\\tilemap.png", new Vec2i(16, 16));
var font = window.loadFontTileset("EGA8x14.png"); var font = window.loadFontTileset("EGA8x14.png");
var font2 = window.loadFontTTF("fonts\\LiberationSans-Regular.ttf", 16*8.f); var font2 = window.loadFontTTF("fonts\\LiberationSans-Regular.ttf", 16*8.f);
var font3 = window.loadFontTTF("fonts\\LiberationSans-Regular.ttf", 16);
var tex = window.loadTexture(img); var tex = window.loadTexture(img);
var slice = window.loadNineSlice("demoassets\\9slice-1.png"); var slice = window.loadNineSlice("demoassets\\9slice-2.png");
//window.setDebug(true); //window.setDebug(true);
while(!window.shouldClose()) { while(!window.shouldClose()) {
@ -35,23 +37,27 @@ public class Test {
var renderContext = window.renderStart(); var renderContext = window.renderStart();
renderContext.drawTextureRectangle( renderContext.drawTextureRectangle(
new Recti(0, 0, 1280, 720), new Recti(0, 0, 1280, 720),
tex tex,
); false
renderContext.drawTextureRectangle(
new Recti(new Vec2i(200, 100), tex2.getSize()),
tex2
); );
//renderContext.drawTextureRectangle(
// new Recti(new Vec2i(200, 100), tex2.getSize()),
// tex2,
// true
//);
renderContext.drawTextureRectangle( renderContext.drawTextureRectangle(
new Recti(new Vec2i(400, 400), new Vec2i(16, 16)), new Recti(new Vec2i(400, 400), new Vec2i(160, 160)),
tileset.get(0x30) tileset.get(0x30),
true
); );
renderContext.drawString(new Vec2i(100, 100), "hello world mew", font);
renderContext.drawString(new Vec2i(710, 140), "hello world mew", font2); renderContext.drawString(new Vec2i(710, 140), "hello world mew", font2);
renderContext.drawNineSlice(slice, new Recti(100, 100, 1080, 520)); renderContext.drawNineSlice(slice, new Recti(100, 100, 75, 23));
//renderContext.drawString(new Vec2i(118, 117), "Meow", font3, new Color(0,0,0));
renderContext.drawString(new Vec2i(122, 105), "Meow", font, new Color(0,0,0));
window.renderFinish(renderContext); window.renderFinish(renderContext);
} }

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@ -8,20 +8,76 @@ import static org.lwjgl.opengl.GL46.*;
class RenderContext extends BaseRenderContext implements IRenderContext { class RenderContext extends BaseRenderContext implements IRenderContext {
private final TextureAtlas atlas; private final TextureAtlas atlas;
private final int texCoordIndex; private final int texCoordIndex;
private final int texOffsetIndex;
private final int texSizeIndex;
private final int tintIndex;
public RenderContext(TextureAtlas atlas, int texCoordIndex) { public RenderContext(TextureAtlas atlas, int texCoordIndex, int texOffsetIndex, int texSizeIndex, int tintIndex) {
this.atlas = atlas; this.atlas = atlas;
this.texCoordIndex = texCoordIndex; this.texCoordIndex = texCoordIndex;
this.texOffsetIndex = texOffsetIndex;
this.texSizeIndex = texSizeIndex;
this.tintIndex = tintIndex;
} }
@Override @Override
public void drawNineSlice(NineSlice slice, Recti rect) { public void drawNineSlice(NineSlice slice, Recti rect) {
var centerWidth = Math.min(0, rect.getWidth() - slice.getLeft().getSize().getX() - slice.getRight().getSize().getX()); var centerWidth = Math.max(0, rect.getWidth() - slice.getLeft().getSize().getX() - slice.getRight().getSize().getX());
var centerHeight = Math.min(0, rect.getHeight() - slice.getTop().getSize().getY() - slice.getBottom().getSize().getY()); var centerHeight = Math.max(0, rect.getHeight() - slice.getTop().getSize().getY() - slice.getBottom().getSize().getY());
var pos = rect.getPos(); var pos = rect.getPos();
var size = rect.getSize(); var size = rect.getSize();
drawTexture(pos, slice.getTopLeft()); drawTexture(pos, slice.getTopLeft());
drawTexture(new Vec2i(pos.getX() + slice.getLeft().getWidth() + centerWidth, pos.getY()), slice.getTopRight());
drawTexture(new Vec2i(pos.getX(), pos.getY() + slice.getTop().getHeight() + centerHeight), slice.getBottomLeft());
drawTexture(Vec2i.add(pos, slice.getTopLeft().getSize(), new Vec2i(centerWidth, centerHeight)), slice.getBottomRight());
drawTextureRectangle(new Recti(Vec2i.add(pos, slice.getTopLeft().getSize()), new Vec2i(centerWidth, centerHeight)), slice.getCenter(), true);
//top
drawTextureRectangle(
new Recti(
pos.getX() + slice.getLeft().getWidth(),
pos.getY(),
centerWidth,
slice.getTop().getHeight()
),
slice.getTop(),
true
);
//bottom
drawTextureRectangle(
new Recti(
pos.getX() + slice.getLeft().getWidth(),
pos.getY() + slice.getTop().getHeight() + centerHeight,
centerWidth,
slice.getTop().getHeight()
),
slice.getBottom(),
true
);
//left
drawTextureRectangle(
new Recti(
pos.getX(),
pos.getY() + slice.getTop().getHeight(),
slice.getLeft().getWidth(),
centerHeight
),
slice.getLeft(),
true
);
//right
drawTextureRectangle(
new Recti(
pos.getX() + slice.getLeft().getWidth() + centerWidth,
pos.getY() + slice.getTop().getHeight(),
slice.getLeft().getWidth(),
centerHeight
),
slice.getRight(),
true
);
} }
@Override @Override
@ -52,21 +108,21 @@ class RenderContext extends BaseRenderContext implements IRenderContext {
@Override @Override
public void drawTexture(Vec2i pos, ITexture texture) { public void drawTexture(Vec2i pos, ITexture texture) {
drawTextureRectangle(new Recti(pos, texture.getSize()), texture); drawTextureRectangle(new Recti(pos, texture.getSize()), texture, true);
} }
@Override @Override
public void drawTexture(Vec2i pos, ITexture texture, Color color) { public void drawTexture(Vec2i pos, ITexture texture, Color color) {
drawTextureRectangle(new Recti(pos, texture.getSize()), texture, color); drawTextureRectangle(new Recti(pos, texture.getSize()), texture, color, true);
} }
@Override @Override
public void drawTextureRectangle(Recti rect, ITexture texture) { public void drawTextureRectangle(Recti rect, ITexture texture, boolean repeat) {
drawTextureRectangle(rect, texture, Color.WHITE); drawTextureRectangle(rect, texture, Color.WHITE, repeat);
} }
@Override @Override
public void drawTextureRectangle(Recti rect, ITexture texture, Color color) { public void drawTextureRectangle(Recti rect, ITexture texture, Color color, boolean repeat) {
var tex = (Texture) texture; var tex = (Texture) texture;
var tl = rect.getTopLeft(); var tl = rect.getTopLeft();
@ -74,31 +130,57 @@ class RenderContext extends BaseRenderContext implements IRenderContext {
var bl = rect.getBottomLeft(); var bl = rect.getBottomLeft();
var br = rect.getBottomRight(); var br = rect.getBottomRight();
/*
var ttl = Vec2i.divf(tex.getTexArea().getTopLeft(), atlas.getSize()); var ttl = Vec2i.divf(tex.getTexArea().getTopLeft(), atlas.getSize());
var ttr = Vec2i.divf(tex.getTexArea().getTopRight(), atlas.getSize()); var ttr = Vec2i.divf(tex.getTexArea().getTopRight(), atlas.getSize());
var tbl = Vec2i.divf(tex.getTexArea().getBottomLeft(), atlas.getSize()); var tbl = Vec2i.divf(tex.getTexArea().getBottomLeft(), atlas.getSize());
var tbr = Vec2i.divf(tex.getTexArea().getBottomRight(), atlas.getSize()); var tbr = Vec2i.divf(tex.getTexArea().getBottomRight(), atlas.getSize());
*/
glColor4f( var topleft = tex.getTexArea().getTopLeft();
//var size = repeat ? tex.getSize() : rect.getSize();
var size = repeat ? tex.getSize() : new Vec2i(100000, 100000);
/*var ttl = Vec2i.ZERO;
var ttr = Vec2i.sub(tex.getTexArea().getTopRight(), topleft);
var tbl = Vec2i.sub(tex.getTexArea().getBottomLeft(), topleft);
var tbr = Vec2i.sub(tex.getTexArea().getBottomRight(), topleft);
*/
var ttl = Vec2i.ZERO;
var ttr = new Vec2i(rect.getWidth(), 0);
var tbl = new Vec2i(0, rect.getHeight());
var tbr = new Vec2i(rect.getWidth(), rect.getHeight());
if(!repeat) {
ttr = Vec2i.sub(tex.getTexArea().getTopRight(), topleft);
tbl = Vec2i.sub(tex.getTexArea().getBottomLeft(), topleft);
tbr = Vec2i.sub(tex.getTexArea().getBottomRight(), topleft);
}
glUniform3f(
tintIndex,
color.getR() / 255.0f, color.getR() / 255.0f,
color.getG() / 255.0f, color.getG() / 255.0f,
color.getB() / 255.0f, color.getB() / 255.0f
color.getA() / 255.0f //color.getA() / 255.0f
); );
glUniform2i(texOffsetIndex, topleft.getX(), topleft.getY());
glUniform2i(texSizeIndex, size.getX(), size.getY());
glBegin(GL_TRIANGLES);
//counterclockwise triangles //counterclockwise triangles
glVertexAttrib2d(texCoordIndex, tbl.getX(), tbl.getY()); glVertexAttribI2i(texCoordIndex, tbl.getX(), tbl.getY());
glVertex2i(bl.getX(), bl.getY()); glVertex2i(bl.getX(), bl.getY());
glVertexAttrib2d(texCoordIndex, ttr.getX(), ttr.getY()); glVertexAttribI2i(texCoordIndex, ttr.getX(), ttr.getY());
glVertex2i(tr.getX(), tr.getY()); glVertex2i(tr.getX(), tr.getY());
glVertexAttrib2d(texCoordIndex, ttl.getX(), ttl.getY()); glVertexAttribI2i(texCoordIndex, ttl.getX(), ttl.getY());
glVertex2i(tl.getX(), tl.getY()); glVertex2i(tl.getX(), tl.getY());
glVertexAttrib2d(texCoordIndex, ttr.getX(), ttr.getY()); glVertexAttribI2i(texCoordIndex, ttr.getX(), ttr.getY());
glVertex2i(tr.getX(), tr.getY()); glVertex2i(tr.getX(), tr.getY());
glVertexAttrib2d(texCoordIndex, tbl.getX(), tbl.getY()); glVertexAttribI2i(texCoordIndex, tbl.getX(), tbl.getY());
glVertex2i(bl.getX(), bl.getY()); glVertex2i(bl.getX(), bl.getY());
glVertexAttrib2d(texCoordIndex, tbr.getX(), tbr.getY()); glVertexAttribI2i(texCoordIndex, tbr.getX(), tbr.getY());
glVertex2i(br.getX(), bl.getY()); glVertex2i(br.getX(), bl.getY());
glEnd();
} }
} }

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@ -22,6 +22,17 @@ class Texture implements ITexture {
} }
@Override @Override
public Vec2i getSize() { return this.img.getSize(); } public Vec2i getSize() { return this.img.getSize(); }
@Override
public int getWidth() {
return img.getWidth();
}
@Override
public int getHeight() {
return img.getHeight();
}
void setTexArea(Recti texArea) { void setTexArea(Recti texArea) {
this.texArea = texArea; this.texArea = texArea;
} }

View File

@ -52,7 +52,13 @@ public class Window extends BaseWindow {
textureAtlas = new TextureAtlas(); textureAtlas = new TextureAtlas();
program = new Program(vertexSource, fragmentSource); program = new Program(vertexSource, fragmentSource);
program.use(); program.use();
renderContext = new RenderContext(textureAtlas, program.getAttribLocation("texCoord")); renderContext = new RenderContext(
textureAtlas,
program.getAttribLocation("texCoord"),
program.getUniformLocation("texOffset"),
program.getUniformLocation("texSize"),
program.getUniformLocation("tint")
);
glProgramUniform2f(program.program, program.getUniformLocation("windowSize"), size.getX(), size.getY()); glProgramUniform2f(program.program, program.getUniformLocation("windowSize"), size.getX(), size.getY());
shouldClose = false; shouldClose = false;
@ -98,9 +104,9 @@ public class Window extends BaseWindow {
@Override @Override
public void renderFinish(IRenderContext context) { public void renderFinish(IRenderContext context) {
if(debug) { if(debug) {
context.drawTextureRectangle(new Recti(Vec2i.ZERO, size), textureAtlas.getAtlasTexture()); context.drawTextureRectangle(new Recti(Vec2i.ZERO, size), textureAtlas.getAtlasTexture(), true);
} }
glEnd(); //glEnd();
glfwSwapBuffers(window); glfwSwapBuffers(window);
} }
@ -111,7 +117,7 @@ public class Window extends BaseWindow {
glClearColor(0.5f, 0.5f, 0.5f, 1.0f); glClearColor(0.5f, 0.5f, 0.5f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
program.use(); program.use();
glBegin(GL_TRIANGLES); //glBegin(GL_TRIANGLES);
return renderContext; return renderContext;
} }
@ -139,7 +145,7 @@ public class Window extends BaseWindow {
private static String vertexSource = """ private static String vertexSource = """
#version 450 #version 450
layout(location = 0) in vec2 pos; layout(location = 0) in vec2 pos;
layout(location = 1) in vec2 texCoord; layout(location = 1) in ivec2 texCoord;
layout(location = 2) uniform vec2 windowSize; layout(location = 2) uniform vec2 windowSize;
layout(location = 1) out vec2 out_texCoord; layout(location = 1) out vec2 out_texCoord;
void main() { void main() {
@ -152,10 +158,14 @@ public class Window extends BaseWindow {
#version 450 #version 450
layout(location = 1) in vec2 texCoord; layout(location = 1) in vec2 texCoord;
layout(binding = 0) uniform sampler2D tex; layout(binding = 0) uniform sampler2D tex;
layout(location = 3) uniform ivec2 texOffset;
layout(location = 4) uniform ivec2 texSize;
layout(location = 5) uniform vec3 tint;
out vec4 color; out vec4 color;
void main() { void main() {
//color = vec4(texCoord.x, texCoord.y, 0.7f, 1.0f); //color = vec4(vec2(texCoord).x/1000.f, 0.2f, 0.7f, 1.0f);
color = texture(tex, texCoord); //color = texture(tex, texCoord);
color = texelFetch(tex, ivec2(mod(texCoord, texSize)) + texOffset, 0) * vec4(tint, 1.0f);
} }
"""; """;
} }

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@ -10,6 +10,10 @@ import java.nio.IntBuffer;
abstract public class BaseRenderContext implements IRenderContext { abstract public class BaseRenderContext implements IRenderContext {
public void drawString(Vec2i pos, String string, IFont font) { public void drawString(Vec2i pos, String string, IFont font) {
drawString(pos, string, font, Color.WHITE);
}
public void drawString(Vec2i pos, String string, IFont font, Color color) {
int x = pos.getX(); int x = pos.getX();
int y = pos.getY(); int y = pos.getY();
IntBuffer buf; IntBuffer buf;
@ -22,7 +26,7 @@ abstract public class BaseRenderContext implements IRenderContext {
int ch = buf.get(i); int ch = buf.get(i);
var tex = font.getTexture(ch); var tex = font.getTexture(ch);
var off = font.getOffset(ch); var off = font.getOffset(ch);
drawTextureRectangle(new Recti(Vec2i.add(new Vec2i(x, y), off), tex.getSize()), tex); drawTextureRectangle(new Recti(Vec2i.add(new Vec2i(x, y), off), tex.getSize()), tex, color, true);
x += font.getXAdvance(ch); x += font.getXAdvance(ch);
} }
} }

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@ -7,9 +7,10 @@ public interface IRenderContext {
void drawNineSlice(NineSlice slice, Recti rect); //todo: add rounding mode void drawNineSlice(NineSlice slice, Recti rect); //todo: add rounding mode
void drawRectangle(Recti rect, Color color); void drawRectangle(Recti rect, Color color);
void drawString(Vec2i pos, String string, IFont font); void drawString(Vec2i pos, String string, IFont font);
void drawString(Vec2i pos, String string, IFont font, Color color);
void drawTexture(Vec2i pos, ITexture texture); void drawTexture(Vec2i pos, ITexture texture);
void drawTexture(Vec2i pos, ITexture texture, Color color); void drawTexture(Vec2i pos, ITexture texture, Color color);
void drawTextureRectangle(Recti rect, ITexture texture); void drawTextureRectangle(Recti rect, ITexture texture, boolean repeat);
void drawTextureRectangle(Recti rect, ITexture texture, Color color); void drawTextureRectangle(Recti rect, ITexture texture, Color color, boolean repeat);
//todo: drawTextureRectangleRepeat //todo: drawTextureRectangleRepeat
} }

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@ -4,4 +4,6 @@ import com.danitheskunk.skunkworks.Vec2i;
public interface ITexture { public interface ITexture {
Vec2i getSize(); Vec2i getSize();
int getWidth();
int getHeight();
} }

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