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API Almost finished

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This commit is contained in:
Dominic Masters
2023-06-11 09:05:25 -07:00
parent bbc75feb0d
commit 7e20d6e8c5
6 changed files with 211 additions and 92 deletions
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224
src/dawn/scene/components/ui/UILabelNew.cpp
View File

@@ -9,82 +9,147 @@
using namespace Dawn;
UILabelNew::UILabelNew(SceneItem *item) :
UIComponentRenderable(item),
font(nullptr),
fontSize(16),
style(0)
UIComponentRenderable(item)
{
}
void UILabelNew::rebufferQuads() {
void UILabelNew::rebufferQuads(std::vector<struct UILabelText> texts) {
std::cout << "Rebuffering" << std::endl;
this->mesh.createBuffers(QUAD_VERTICE_COUNT * 128, QUAD_INDICE_COUNT * 128);
auto oldTexts = this->texts;
textureMap.clear();
glm::vec2 position(32, 32);
struct FontShaderBufferData fontData;
auto x = this->bufferQuads(
"Hello World",
fontData,
this->font->getTexture(this->fontLock),
position,
0,
0
int32_t quadIndex = 0;
int32_t partIndex = 0;
int32_t quadCount = 0;
int32_t nextTexture = 0;
// Determine how many quads there are, and the texture indexes.
auto itText = texts.begin();
while(itText != texts.end()) {
quadCount += itText->text.length();
// Determine font and lock it.
assertNotNull(itText->font);
itText->lockId = itText->font->lock(NewTrueTypeFaceTextureStyle{
itText->size,
itText->style
});
assertTrue(itText->lockId != -1);
itText->texture = itText->font->getTexture(itText->lockId);
// Check for existing texture, if not, map it.
if(textureMap.find(itText->texture) == textureMap.end()) {
assertTrue(nextTexture < FONT_SHADER_TEXTURE_MAX);
textureMap[itText->texture] = nextTexture++;
}
++itText;
}
// Cleanup old texst, we do this second so we don't unlock, cleanup, and then
// lock the same font, causing it to have to re-load.
itText = oldTexts.begin();
while(itText != oldTexts.end()) {
assertTrue(itText->lockId != -1);
assertNotNull(itText->font);
itText->font->unlock(itText->lockId);
++itText;
}
// Update texts.
this->texts = texts;
// Create mesh
this->mesh.createBuffers(
QUAD_VERTICE_COUNT * quadCount,
QUAD_INDICE_COUNT * quadCount
);
fontData.colors[0] = COLOR_MAGENTA;
fontData.textures[0] = 0;
// fontData.colors[1] = COLOR_RED;
// fontData.textures[1] = 1;
// fontData.colors[2] = COLOR_GREEN;
// fontData.textures[2] = 2;
// Buffer the text quads
itText = texts.begin();
while(itText != texts.end()) {
quadIndex += this->bufferQuads(
*itText,
fontData,
textureMap,
position,
quadIndex,
partIndex
);
partIndex++;
++itText;
}
shaderBuffer.buffer(&fontData);
}
void UILabelNew::onStart() {
this->shaderBuffer.init();
useEffect([&]{
usagelockid_t newLock = -1;
auto font = this->getGame()->assetManager.get<NewTrueTypeAsset>("font_arial");
if(font != nullptr) {
newLock = font->lock(NewTrueTypeFaceTextureStyle{
fontSize,
style
});
}
std::vector<struct UILabelText> texts;
texts.push_back({
.text = "Hello",
.color = COLOR_RED,
.style = 0,
.size = 16,
.font = font
});
texts.push_back({
.text = " World",
.color = COLOR_BLUE,
.style = 1,
.size = 32,
.font = font
});
this->rebufferQuads(texts);
if(fontLock != -1) {
font.previous->unlock(fontLock);
fontLock = -1;
}
// this->texts.clear();
if(font == nullptr) return;
// useEffect([&]{
// usagelockid_t newLock = -1;
fontLock = newLock;
this->rebufferQuads();
}, font)();
// if(font != nullptr) {
// newLock = font->lock(NewTrueTypeFaceTextureStyle{
// fontSize,
// style
// });
// }
useEffect([&]{
if(font == nullptr) return;
auto newLock = font->lock(NewTrueTypeFaceTextureStyle{
fontSize,
style
});
// if(fontLock != -1) {
// font.previous->unlock(fontLock);
// fontLock = -1;
// }
if(fontLock != -1) {
font->unlock(fontLock);
fontLock = -1;
}
// if(font == nullptr) return;
fontLock = newLock;
this->rebufferQuads();
}, { &fontSize, &style })();
// fontLock = newLock;
// this->rebufferQuads();
// }, font)();
// useEffect([&]{
// if(font == nullptr) return;
// auto newLock = font->lock(NewTrueTypeFaceTextureStyle{
// fontSize,
// style
// });
// if(fontLock != -1) {
// font->unlock(fontLock);
// fontLock = -1;
// }
// fontLock = newLock;
// this->rebufferQuads();
// }, { &fontSize, &style })();
}
std::vector<struct ShaderPassItem> UILabelNew::getUIRenderPasses() {
if(this->fontLock == -1) return {};
if(this->texts.size() == 0) return {};
auto canvas = this->getCanvas();
auto shader = getGame()->renderManager.fontShader;
@@ -97,17 +162,40 @@ std::vector<struct ShaderPassItem> UILabelNew::getUIRenderPasses() {
item.parameterBuffers[shader->bufferFont] = &this->shaderBuffer;
item.renderFlags = RENDER_MANAGER_RENDER_FLAG_BLEND;
item.textureSlots[0] = &this->font->getTexture(this->fontLock)->texture;
item.textureValues[shader->paramTexture0] = 0;
// item.textureSlots[1] = &defFaceItalics.texture;
// item.textureSlots[2] = &defFaceBold.texture;
// item.textureValues[shader->paramTexture1] = 1;
// item.textureValues[shader->paramTexture2] = 2;
// Map texture slots
auto it = textureMap.begin();
while(it != textureMap.end()) {
item.textureSlots[it->second] = &it->first->texture;
shaderparameter_t param = FONT_SHADER_TEXTURE_MAX;
switch(it->second) {
case 0:
param = shader->paramTexture0;
break;
case 1:
param = shader->paramTexture1;
break;
case 2:
param = shader->paramTexture2;
break;
case 3:
param = shader->paramTexture3;
break;
default:
break;
}
assertTrue(param >= 0 && param < FONT_SHADER_TEXTURE_MAX);
item.textureValues[param] = it->second;
++it;
}
return { item };
}
float_t UILabelNew::getWidth() {
return 0;
}
@@ -125,24 +213,27 @@ float_t UILabelNew::getContentHeight() {
}
int32_t UILabelNew::bufferQuads(
std::string text,
struct UILabelText text,
struct FontShaderBufferData &bufferData,
struct NewTrueTypeFaceTexture *texture,
std::map<NewTrueTypeFaceTexture*, int32_t> &textureMap,
glm::vec2 &position,
int32_t quadStart,
int32_t partIndex
) {
// Get string length
int32_t len = text.length();
int32_t len = text.text.length();
glm::vec2 wh = glm::vec2(texture->texture.getWidth(), texture->texture.getHeight());
glm::vec2 wh = glm::vec2(
text.texture->texture.getWidth(),
text.texture->texture.getHeight()
);
// For each char
for(int32_t i = 0; i < len; i++) {
char ch = text[i];
char ch = text.text[i];
int32_t j = quadStart + i;
FT_ULong c = ch;
auto charInfo = texture->getCharacterData(c);
auto charInfo = text.texture->getCharacterData(c);
// Determine texture coordinates.
glm::vec2 uv0 = glm::vec2(0.0f, charInfo.textureY) / wh;
@@ -164,5 +255,12 @@ int32_t UILabelNew::bufferQuads(
bufferData.fontQuadMappings[j] = partIndex;
}
// Map texture level values
bufferData.colors[partIndex] = text.color;
auto textureId = textureMap.find(text.texture);
assertTrue(textureId != textureMap.end());
bufferData.textures[partIndex] = textureId->second;
return len;
}

45
src/dawn/scene/components/ui/UILabelNew.hpp
View File

@@ -9,54 +9,53 @@
#include "asset/assets/NewTrueTypeAsset.hpp"
namespace Dawn {
struct UILabelStyle {
struct Color;
// UILabelFontDef *fontDef;
struct UILabelText {
std::string text;
struct Color color = COLOR_MAGENTA;
flag_t style = 0;
uint32_t size = 16;
NewTrueTypeAsset *font = nullptr;
// Part index
// Quad start
// position
// size
// some kind of custom data e.g. wobble or shake?
usagelockid_t lockId = -1;
struct NewTrueTypeFaceTexture *texture = nullptr;
};
class UILabelNew : public UIComponentRenderable {
private:
Mesh mesh;
FontShaderBuffer shaderBuffer;
usagelockid_t fontLock = -1;
// FT_Face face;
// FT_Face faceBold;
// FT_Face faceItalics;
// struct UILabelFontDef defFace;
// struct UILabelFontDef defFaceBold;
// struct UILabelFontDef defFaceItalics;
std::vector<struct UILabelText> texts;
std::map<NewTrueTypeFaceTexture*, int32_t> textureMap;
/**
* Buffers the quads for the given text and updates the progressing values
* as the buffer process continues.
*
* @param text Text to buffer.
* @param text Text information to buffer.
* @param bufferData The output quad mappings for the text.
* @param texture The font texture definition to use.
* @param textureMap Texture map for the textures to map.
* @param position The 2D position to buffer the quads at.
* @param quadStart The starting quad index.
* @param partIndex The part index to store for each quad buffered.
* @return The number of quads buffered, not the string length.
*/
int32_t bufferQuads(
std::string text,
struct UILabelText text,
struct FontShaderBufferData &bufferData,
struct NewTrueTypeFaceTexture *texture,
std::map<NewTrueTypeFaceTexture*, int32_t> &textureMap,
glm::vec2 &position,
int32_t quadStart,
int32_t partIndex
);
void rebufferQuads();
public:
StateProperty<NewTrueTypeAsset*> font;
StateProperty<uint32_t> fontSize;
StateProperty<flag_t> style;
UILabelNew(SceneItem *item);
void onStart() override;
@@ -65,5 +64,7 @@ namespace Dawn {
float_t getHeight() override;
float_t getContentWidth() override;
float_t getContentHeight() override;
void rebufferQuads(std::vector<struct UILabelText> texts);
};
}