aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/cc/polyfrost/oneconfig/lwjgl/RenderManager.java
blob: 5f18e5f7d0640dd05c38b02d2d3b041e495c3c49 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
package cc.polyfrost.oneconfig.lwjgl;

import cc.polyfrost.oneconfig.config.OneConfigConfig;
import cc.polyfrost.oneconfig.lwjgl.font.Font;
import cc.polyfrost.oneconfig.lwjgl.font.FontManager;
import cc.polyfrost.oneconfig.lwjgl.font.Fonts;
import cc.polyfrost.oneconfig.lwjgl.image.Image;
import cc.polyfrost.oneconfig.lwjgl.image.ImageLoader;
import cc.polyfrost.oneconfig.lwjgl.image.Images;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.ScaledResolution;
import net.minecraft.client.renderer.GlStateManager;
import net.minecraft.client.shader.Framebuffer;
import org.lwjgl.nanovg.NVGColor;
import org.lwjgl.nanovg.NVGPaint;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.GL11;

import java.awt.*;
import java.util.function.LongConsumer;

import static org.lwjgl.nanovg.NanoVG.*;
import static org.lwjgl.nanovg.NanoVGGL2.NVG_ANTIALIAS;
import static org.lwjgl.nanovg.NanoVGGL2.nvgCreate;

public final class RenderManager {
    private RenderManager() {

    }

    //nanovg

    private static long vg = -1;

    public static void setupAndDraw(LongConsumer consumer) {
        setupAndDraw(false, consumer);
    }

    public static void setupAndDraw(boolean mcScaling, LongConsumer consumer) {
        if (vg == -1) {
            vg = nvgCreate(NVG_ANTIALIAS);
            if (vg == -1) {
                throw new RuntimeException("Failed to create nvg context");
            }
            FontManager.INSTANCE.initialize(vg);
        }

        Framebuffer fb = Minecraft.getMinecraft().getFramebuffer();
        if (!fb.isStencilEnabled()) {
            fb.enableStencil();
        }
        GL11.glPushAttrib(GL11.GL_ALL_ATTRIB_BITS);

        if (mcScaling) {
            ScaledResolution resolution = new ScaledResolution(Minecraft.getMinecraft());
            nvgBeginFrame(vg, (float) resolution.getScaledWidth_double(), (float) resolution.getScaledHeight_double(), resolution.getScaleFactor());
        } else {
            // If we get blurry problems with high DPI monitors, 1 might need to be  replaced with Display.getPixelScaleFactor()
            nvgBeginFrame(vg, Display.getWidth(), Display.getHeight(), 1);
        }

        consumer.accept(vg);

        nvgEndFrame(vg);

        GlStateManager.popAttrib();
    }

    public static void drawRectangle(long vg, float x, float y, float width, float height, int color) {     // TODO make everything use this one day
        if (OneConfigConfig.ROUNDED_CORNERS) {
            drawRoundedRect(vg, x, y, width, height, color, OneConfigConfig.CORNER_RADIUS);
        } else {
            drawRect(vg, x, y, width, height, color);
        }
    }


    public static void drawGradientRoundedRect(long vg, float x, float y, float width, float height, int color, int color2, float radius) {
        NVGPaint bg = NVGPaint.create();
        nvgBeginPath(vg);
        nvgRoundedRect(vg, x, y, width, height, radius);
        NVGColor nvgColor = color(vg, color);
        NVGColor nvgColor2 = color(vg, color2);
        nvgFillPaint(vg, nvgLinearGradient(vg, x, y, x + width, y, nvgColor, nvgColor2, bg));
        nvgFill(vg);
        nvgColor.free();
        nvgColor2.free();
    }

    public static void drawGradientRect(long vg, float x, float y, float width, float height, int color, int color2) {
        NVGPaint bg = NVGPaint.create();
        nvgBeginPath(vg);
        nvgRect(vg, x, y, width, height);
        NVGColor nvgColor = color(vg, color);
        NVGColor nvgColor2 = color(vg, color2);
        nvgFillPaint(vg, nvgLinearGradient(vg, x, y, x, y + width, nvgColor, nvgColor2, bg));
        nvgFillPaint(vg, bg);
        nvgFill(vg);
        nvgColor.free();
        nvgColor2.free();
    }

    public static void drawRect(long vg, float x, float y, float width, float height, int color) {
        nvgBeginPath(vg);
        nvgRect(vg, x, y, width, height);
        NVGColor nvgColor = color(vg, color);
        nvgFill(vg);
        nvgColor.free();
    }

    public static void drawRoundedRect(long vg, float x, float y, float width, float height, int color, float radius) {
        nvgBeginPath(vg);
        nvgRoundedRect(vg, x, y, width, height, radius);
        color(vg, color);
        NVGColor nvgColor = color(vg, color);
        nvgFill(vg);
        nvgColor.free();
    }

    public static void drawRoundedRectVaried(long vg, float x, float y, float width, float height, int color, float radiusTL, float radiusTR, float radiusBR, float radiusBL) {
        nvgBeginPath(vg);
        nvgRoundedRectVarying(vg, x, y, width, height, radiusTL, radiusTR, radiusBR, radiusBL);
        color(vg, color);
        NVGColor nvgColor = color(vg, color);
        nvgFill(vg);
        nvgColor.free();
    }

    public static void drawHollowRoundRect(long vg, float x, float y, float width, float height, int color, float radius, float thickness) {
        nvgBeginPath(vg);
        nvgRoundedRect(vg, x + thickness, y + thickness, width - thickness, height - thickness, radius);
        nvgStrokeWidth(vg, thickness);
        nvgPathWinding(vg, NVG_HOLE);
        color(vg, color);
        NVGColor nvgColor = color(vg, color);
        nvgStrokeColor(vg, nvgColor);
        nvgStroke(vg);
        nvgColor.free();
    }

    public static void drawCircle(long vg, float x, float y, float radius, int color) {
        nvgBeginPath(vg);
        nvgCircle(vg, x, y, radius);
        NVGColor nvgColor = color(vg, color);
        nvgFill(vg);
        nvgColor.free();
    }

    public static void drawString(long vg, String text, float x, float y, int color, float size, Fonts font) {
        nvgBeginPath(vg);
        nvgFontSize(vg, size);
        nvgFontFace(vg, font.font.getName());
        nvgTextAlign(vg, NVG_ALIGN_LEFT | NVG_ALIGN_MIDDLE);
        NVGColor nvgColor = color(vg, color);
        nvgText(vg, x, y, text);
        nvgFill(vg);
        nvgColor.free();
    }

    public static void drawString(long vg, String text, float x, float y, int color, float size, int lineHeight, Fonts font) {
        nvgBeginPath(vg);
        nvgFontSize(vg, size);
        nvgFontFace(vg, font.font.getName());
        nvgTextAlign(vg, NVG_ALIGN_LEFT | NVG_ALIGN_TOP);
        nvgTextMetrics(vg, new float[]{10f}, new float[]{10f}, new float[]{lineHeight});
        NVGColor nvgColor = color(vg, color);
        nvgText(vg, x, y, text);
        nvgFill(vg);
        nvgColor.free();
    }

    public static void drawWrappedString(long vg, String text, float x, float y, float width, int color, float size, Fonts font) {
        nvgBeginPath(vg);
        nvgFontSize(vg, size);
        nvgFontFace(vg, font.font.getName());
        nvgTextAlign(vg, NVG_ALIGN_LEFT | NVG_ALIGN_MIDDLE);
        NVGColor nvgColor = color(vg, color);
        nvgTextBox(vg, x, y, width, text);
        nvgFill(vg);
        nvgColor.free();
    }

    public static void drawImage(long vg, String filePath, float x, float y, float width, float height) {
        if (ImageLoader.INSTANCE.loadImage(vg, filePath)) {
            NVGPaint imagePaint = NVGPaint.calloc();
            cc.polyfrost.oneconfig.lwjgl.image.Image image = ImageLoader.INSTANCE.getImage(filePath);
            nvgBeginPath(vg);

            nvgImagePattern(vg, x, y, width, height, 0, image.getReference(), 1, imagePaint);
            nvgRect(vg, x, y, width, height);
            nvgFillPaint(vg, imagePaint);
            nvgFill(vg);
            imagePaint.free();
        }
    }

    public static void drawImage(long vg, String filePath, float x, float y, float width, float height, int color) {
        if (ImageLoader.INSTANCE.loadImage(vg, filePath)) {
            NVGPaint imagePaint = NVGPaint.calloc();
            Image image = ImageLoader.INSTANCE.getImage(filePath);
            nvgBeginPath(vg);
            nvgImagePattern(vg, x, y, width, height, 0, image.getReference(), 1, imagePaint);
            nvgRGBA((byte) (color >> 16 & 0xFF), (byte) (color >> 8 & 0xFF), (byte) (color & 0xFF), (byte) (color >> 24 & 0xFF), imagePaint.innerColor());
            nvgRect(vg, x, y, width, height);
            nvgFillPaint(vg, imagePaint);
            nvgFill(vg);
            imagePaint.free();
        }
    }

    public static void drawImage(long vg, Images filePath, float x, float y, float width, float height) {
        drawImage(vg, filePath.filePath, x, y, width, height);
    }

    public static void drawImage(long vg, Images filePath, float x, float y, float width, float height, int color) {
        drawImage(vg, filePath.filePath, x, y, width, height, color);
    }


    public static float getTextWidth(long vg, String text, float fontSize, Fonts font) {
        float[] bounds = new float[4];
        nvgFontSize(vg, fontSize);
        nvgFontFace(vg, font.font.getName());
        return nvgTextBounds(vg, 0, 0, text, bounds);
    }

    public static void drawLine(long vg, float x, float y, float endX, float endY, float width, int color) {
        nvgBeginPath(vg);
        nvgMoveTo(vg, x, y);
        nvgLineTo(vg, endX, endY);
        NVGColor nvgColor = color(vg, color);
        nvgStrokeColor(vg, nvgColor);
        nvgStrokeWidth(vg, width);
        nvgStroke(vg);
        nvgColor.free();
    }

    public static void drawDropShadow(long vg, float x, float y, float w, float h, float cornerRadius, float spread, int color) {       // TODO broken
        NVGColor color1 = NVGColor.calloc();
        NVGColor color2 = NVGColor.calloc();
        NVGPaint shadowPaint = NVGPaint.calloc();
        nvgRGBA((byte) 0, (byte) 0, (byte) 0, (byte) 128, color1);
        nvgRGBA((byte) 0, (byte) 0, (byte) 0, (byte) 0, color2);
        nvgBoxGradient(vg, x, y + 2, w, h, cornerRadius * 2, 10f, color2, color1, shadowPaint);
        nvgBeginPath(vg);
        nvgRect(vg, x - 10, y - 10, w + 20, h + 30);
        nvgRoundedRect(vg, x, y, w, h, cornerRadius);
        nvgPathWinding(vg, NVG_HOLE);
        nvgFillPaint(vg, shadowPaint);
        nvgFill(vg);
        shadowPaint.free();
        color1.free();
        color2.free();
    }


    public static NVGColor color(long vg, int color) {
        NVGColor nvgColor = NVGColor.calloc();
        nvgRGBA((byte) (color >> 16 & 0xFF), (byte) (color >> 8 & 0xFF), (byte) (color & 0xFF), (byte) (color >> 24 & 0xFF), nvgColor);
        nvgFillColor(vg, nvgColor);
        return nvgColor;
    }


    // gl
    public static void glColor(Color color) {
        glColor(color.getRGB());
    }

    public static void drawScaledString(String text, float x, float y, int color, boolean shadow, float scale) {
        GlStateManager.pushMatrix();
        GlStateManager.scale(scale, scale, 1);
        Minecraft.getMinecraft().fontRendererObj.drawString(text, x * (1 / scale), y * (1 / scale), color, shadow);
        GlStateManager.popMatrix();
    }

    public static void glColor(int color) {
        float f = (float) (color >> 24 & 255) / 255.0F;
        float f1 = (float) (color >> 16 & 255) / 255.0F;
        float f2 = (float) (color >> 8 & 255) / 255.0F;
        float f3 = (float) (color & 255) / 255.0F;
        GlStateManager.color(f1, f2, f3, f);
    }

    public static void drawDottedLine(float sx, float sy, float ex, float ey, int width, int factor, int color) {
        GlStateManager.pushMatrix();
        GL11.glLineStipple(factor, (short) 0xAAAA);
        GL11.glEnable(GL11.GL_LINE_STIPPLE);
        GlStateManager.pushMatrix();
        GlStateManager.disableTexture2D();
        GlStateManager.enableBlend();
        GlStateManager.disableAlpha();
        GlStateManager.tryBlendFuncSeparate(770, 771, 1, 0);
        glColor(color);
        GL11.glLineWidth(width);
        GL11.glBegin(GL11.GL_LINES);
        GL11.glVertex2d(sx, sy);
        GL11.glVertex2d(ex, ey);
        GL11.glEnd();
        GlStateManager.disableBlend();
        GlStateManager.enableAlpha();
        GlStateManager.enableTexture2D();
        GlStateManager.popMatrix();
        GL11.glDisable(GL11.GL_LINE_STIPPLE);
        GlStateManager.popMatrix();
    }
}