Open source Star Ruler 2 source code!
This commit is contained in:
Lucas de Vries
@@ -0,0 +1,480 @@
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#include "gui/skin.h"
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#include "num_util.h"
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#include "main/references.h"
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#include "main/logging.h"
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#include <map>
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const gui::skin::Element* currentDrawnElement = 0;
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vec2i eleDestSize;
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void shader_skin_margin_src(float* margin,unsigned short,void*) {
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if(currentDrawnElement) {
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margin[0] = (float)currentDrawnElement->margin.topLeft.x;
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margin[1] = (float)currentDrawnElement->margin.topLeft.y;
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margin[2] = (float)currentDrawnElement->margin.botRight.x;
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margin[3] = (float)currentDrawnElement->margin.botRight.y;
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}
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}
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void shader_skin_margin_dest(float* margin,unsigned short,void*) {
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if(currentDrawnElement) {
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recti destMargin = currentDrawnElement->getDestinationMargin(eleDestSize);
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margin[0] = (float)destMargin.topLeft.x;
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margin[1] = (float)destMargin.topLeft.y;
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margin[2] = (float)destMargin.botRight.x;
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margin[3] = (float)destMargin.botRight.y;
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}
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}
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void shader_skin_src_pos(float* pos,unsigned short,void*) {
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if(currentDrawnElement) {
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pos[0] = (float)currentDrawnElement->area.topLeft.x;
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pos[1] = (float)currentDrawnElement->area.topLeft.y;
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}
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}
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void shader_skin_src_size(float* size,unsigned short,void*) {
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if(currentDrawnElement) {
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size[0] = (float)currentDrawnElement->area.getWidth();
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size[1] = (float)currentDrawnElement->area.getHeight();
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}
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}
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void shader_skin_dst_size(float* size,unsigned short,void*) {
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if(currentDrawnElement) {
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size[0] = (float)eleDestSize.x;
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size[1] = (float)eleDestSize.y;
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}
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}
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void shader_skin_mode(float* modes,unsigned short,void*) {
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if(currentDrawnElement) {
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modes[0] = (float)currentDrawnElement->horizMode;
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modes[1] = (float)currentDrawnElement->vertMode;
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}
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}
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void shader_skin_gradientCount(float* count,unsigned short,void*) {
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if(currentDrawnElement) {
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*count = (float)currentDrawnElement->gradients.size();
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}
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}
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void shader_skin_gradientMode(float* count,unsigned short,void*) {
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if(currentDrawnElement) {
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*count = (float)currentDrawnElement->gradMode;
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}
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}
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void shader_skin_gradientRects(float* rects, unsigned short n,void*) {
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if(currentDrawnElement) {
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unsigned short cnt = (unsigned short)currentDrawnElement->gradients.size();
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if(cnt < n)
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n = cnt;
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if(n == 0)
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return;
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recti baseRect(0,0, eleDestSize.width, eleDestSize.height);
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for(unsigned short i = 0; i < n; ++i) {
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auto& gradient = currentDrawnElement->gradients[i];
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recti rect = gradient.area.evaluate(baseRect);
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rects[i*4+0] = (float)rect.topLeft.x;
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rects[i*4+1] = (float)rect.topLeft.y;
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rects[i*4+2] = (float)rect.botRight.x;
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rects[i*4+3] = (float)rect.botRight.y;
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}
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}
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}
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void shader_skin_gradientCols(float* cols, unsigned short n, void*) {
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if(currentDrawnElement) {
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n /= 4;
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unsigned short cnt = (unsigned short)currentDrawnElement->gradients.size();
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if(cnt < n)
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n = cnt;
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if(n == 0)
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return;
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Colorf* fcols = (Colorf*)cols;
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for(unsigned short i = 0; i < n; ++i, fcols += 4) {
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auto& gradient = currentDrawnElement->gradients[i];
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new(fcols+0) Colorf(gradient.colors[0]);
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new(fcols+1) Colorf(gradient.colors[1]);
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new(fcols+2) Colorf(gradient.colors[2]);
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new(fcols+3) Colorf(gradient.colors[3]);
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}
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}
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}
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namespace gui {
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namespace skin {
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std::map<std::string,unsigned> dynStyleIndices;
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std::map<std::string,unsigned> dynElementFlags;
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std::map<std::string,unsigned> dynFontIndices;
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std::map<std::string,unsigned> dynColorIndices;
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std::map<unsigned,std::string> dynFlagNames;
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unsigned nextElementFlag = 1;
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bool elementLower(Element* x, Element* y) {
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return x->flags < y->flags;
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}
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int getDynamicIndex(std::map<std::string, unsigned>& dyn, const std::string& name, bool addIfMissing) {
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auto index = dyn.find(name);
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if(index == dyn.end()) {
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if(addIfMissing) {
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unsigned newIndex = (unsigned)dyn.size();
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dyn[name] = newIndex;
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return newIndex;
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}
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else {
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return -1;
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}
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}
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return index->second;
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}
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unsigned getStyleCount() {
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return (unsigned)dynStyleIndices.size();
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}
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int getStyleIndex(const std::string& name, bool addIfMissing) {
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return getDynamicIndex(dynStyleIndices, name, addIfMissing);
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}
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int getElementFlag(const std::string& name, bool addIfMissing) {
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if(name == "Normal")
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return 0;
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auto index = dynElementFlags.find(name);
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if(index == dynElementFlags.end()) {
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if(addIfMissing) {
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if(nextElementFlag == 0) {
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nextElementFlag = 1;
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error("Error: Skin exceeded limit of 32 unique element flags.");
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}
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unsigned flag = nextElementFlag;
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dynElementFlags[name] = flag;
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dynFlagNames[flag] = name;
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if(flag == 0x100000000)
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nextElementFlag = 0;
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else
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nextElementFlag = nextElementFlag << 1;
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return flag;
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}
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else {
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return 0;
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}
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}
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return index->second;
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}
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std::string getElementFlagName(unsigned flag) {
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if(flag == 0)
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return "Normal";
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unsigned check = 0x1;
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unsigned cnt = 0;
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std::string name;
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for(unsigned i = 0; i < 32; ++i, check <<= 1) {
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if((flag & check) != 0) {
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if(cnt != 0)
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name += ", ";
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auto it = dynFlagNames.find(check);
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if(it != dynFlagNames.end())
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name += it->second;
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else
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name += "???";
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++cnt;
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}
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}
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return name;
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}
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int getColorIndex(const std::string& name, bool addIfMissing) {
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return getDynamicIndex(dynColorIndices, name, addIfMissing);
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}
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int getFontIndex(const std::string& name, bool addIfMissing) {
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return getDynamicIndex(dynFontIndices, name, addIfMissing);
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}
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void clearDynamicIndices() {
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dynElementFlags.clear();
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dynFlagNames.clear();
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dynFontIndices.clear();
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dynColorIndices.clear();
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dynStyleIndices.clear();
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nextElementFlag = 1;
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}
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void enumerateStyleIndices(std::function<void(const std::string&,unsigned)> callback) {
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foreach(i, dynStyleIndices)
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callback(i->first,i->second);
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}
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void enumerateElementFlags(void (*cb)(const std::string&,unsigned)) {
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(*cb)("Normal", 0);
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foreach(i, dynElementFlags)
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(*cb)(i->first,i->second);
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}
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void enumerateColorIndices(void (*cb)(const std::string&,unsigned)) {
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foreach(i, dynColorIndices)
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(*cb)(i->first,i->second);
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}
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void enumerateFontIndices(void (*cb)(const std::string&,unsigned)) {
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foreach(i, dynFontIndices)
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(*cb)(i->first,i->second);
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}
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void Style::addElement(Element* ele) {
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auto at = std::lower_bound(elements.begin(), elements.end(), ele, elementLower);
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if(at == elements.end())
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elements.push_back(ele);
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else
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elements.insert(at, ele);
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}
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Element* Style::getExactElement(unsigned flags) const {
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foreach(it, elements) {
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if((*it)->flags == flags)
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return *it;
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}
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return nullptr;
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}
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const Element* Style::getElement(unsigned flags) const {
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if(elements.empty())
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return nullptr;
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Element ele;
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ele.flags = flags;
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auto at = std::lower_bound(elements.begin(), elements.end(), &ele, elementLower);
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size_t index;
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if(at == elements.end())
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index = elements.size() - 1;
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else
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index = at - elements.begin();
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if(elements[index]->flags == flags)
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return elements[index];
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while(index > 0 && (~flags & elements[index]->flags))
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--index;
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return elements[index];
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}
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bool Skin::hasStyle(unsigned index) const {
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if(index >= styles.size())
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return false;
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if(!styles[index])
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return false;
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return true;
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}
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const Style& Skin::getStyle(unsigned index) const {
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if(index >= styles.size())
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return *errorStyle;
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if(!styles[index])
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return *errorStyle;
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return *styles[index];
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}
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const Element& Skin::getElement(unsigned index, unsigned flags) const {
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if(index < styles.size() && styles[index]) {
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const Element* ele = styles[index]->getElement(flags);
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if(ele)
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return *ele;
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}
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return *errorElement;
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}
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const render::Font& Skin::getFont(unsigned index) const {
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if(index < (unsigned)fonts.size() && fonts[index])
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return *fonts[index];
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return *errorFont;
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}
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Color Skin::getColor(unsigned index) const {
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if(index < (unsigned)colors.size())
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return colors[index];
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return Color();
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}
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void Skin::setStyle(unsigned index, Style* style) {
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if(index >= (unsigned)styles.size())
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styles.resize(index+1, 0);
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styles[index] = style;
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}
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void Skin::setColor(unsigned index, Color color) {
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if(index >= (unsigned)colors.size())
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colors.resize(index+1);
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colors[index] = color;
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}
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void Skin::setFont(unsigned index, const render::Font* font) {
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if(index >= (unsigned)fonts.size())
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fonts.resize(index+1, 0);
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fonts[index] = font;
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}
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Skin::Skin() : fonts(), material(0) {
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errorFont = render::Font::createDummyFont();
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errorElement = new Element();
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errorStyle = new Style();
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}
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void Gradient::draw(render::RenderDriver& driver, recti pos,
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const recti* clip) const {
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recti absPos = area.evaluate(pos);
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driver.drawRectangle(absPos, 0, 0, colors, clip);
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}
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void Layer::draw(render::RenderDriver& driver, recti pos,
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const recti* clip, Color color) const {
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if(!ele)
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return;
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recti absPos = area.evaluate(pos);
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ele->draw(driver, absPos, clip, hasOverride ? override : color);
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}
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void Element::clear() {
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layers.clear();
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gradients.clear();
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margin = recti();
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filled = true;
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horizMode = DM_Uniform;
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vertMode = DM_Uniform;
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aspectMargin = AMM_None;
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}
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void Element::draw(render::RenderDriver& driver, recti pos,
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const recti* clip, Color color) const {
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Color colors[4] = {color, color, color, color};
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foreach(it, layers)
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(*it).draw(driver, pos, clip, color);
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//TODO: Support no fill
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if(!area.empty() || gradMode == GM_Overlay) {
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currentDrawnElement = this;
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eleDestSize = pos.getSize();
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driver.drawRectangle(pos, material, 0, colors, clip);
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currentDrawnElement = 0;
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}
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}
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recti Element::getDestinationMargin(vec2i size) const {
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recti destMargin;
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switch(aspectMargin) {
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case AMM_None:
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destMargin.topLeft.x = margin.topLeft.x;
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destMargin.topLeft.y = margin.topLeft.y;
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destMargin.botRight.x = margin.botRight.x;
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destMargin.botRight.y = margin.botRight.y;
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break;
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case AMM_Horizontal: {
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float l_ratio = ((float)margin.topLeft.x) / ((float)area.getHeight());
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float r_ratio = ((float)margin.botRight.x) / ((float)area.getHeight());
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destMargin.topLeft.x = (int)(l_ratio * (float)size.height);
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destMargin.topLeft.y = margin.topLeft.y;
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destMargin.botRight.x = (int)(r_ratio * (float)size.height);
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destMargin.botRight.y = margin.botRight.y;
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} break;
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case AMM_Vertical: {
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float l_ratio = ((float)margin.topLeft.y) / ((float)area.getWidth());
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float r_ratio = ((float)margin.botRight.y) / ((float)area.getWidth());
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destMargin.topLeft.x = margin.topLeft.x;
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destMargin.topLeft.y = (int)(l_ratio * (float)size.width);
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destMargin.botRight.x = margin.botRight.x;
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destMargin.botRight.y = (int)(r_ratio * (float)size.width);
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} break;
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}
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return destMargin;
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}
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bool Element::isPixelActive(recti box, vec2i px) const {
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if(!material)
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return true;
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auto* tex = material->textures[0];
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if(!tex)
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return true;
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recti dmargin = getDestinationMargin(box.getSize());
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int tx = 0;
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switch(horizMode) {
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case DM_Uniform:
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tx = px.x + area.topLeft.x;
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break;
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case DM_Scaled:
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case DM_Tiled:
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if(px.x < dmargin.topLeft.x) {
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tx = (int)((float)px.x * (float)margin.topLeft.x / (float)dmargin.topLeft.x) + area.topLeft.x;
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}
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else if(px.x >= box.getWidth() - dmargin.botRight.x) {
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tx = area.botRight.x - (box.getWidth() -
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(int)((float)px.x * (float)margin.botRight.x / (float)dmargin.botRight.x));
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}
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else {
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tx = area.topLeft.x + margin.topLeft.x;
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if(horizMode == DM_Scaled) {
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tx += (int)(((double)(px.x - dmargin.topLeft.x)/
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(double)(box.getWidth() - dmargin.topLeft.x - dmargin.botRight.x))
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* (double)(area.getWidth() - margin.topLeft.x - margin.botRight.x));
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}
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else {
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tx += (px.x - dmargin.topLeft.x) % (area.getWidth() - margin.topLeft.x - margin.botRight.x);
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}
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}
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break;
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}
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int ty = 0;
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switch(vertMode) {
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case DM_Uniform:
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ty = px.y + area.topLeft.y;
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break;
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case DM_Scaled:
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case DM_Tiled:
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if(px.y < dmargin.topLeft.y) {
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ty = (int)((float)px.y * (float)margin.topLeft.y / (float)dmargin.topLeft.y) + area.topLeft.y;
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}
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else if(px.y >= box.getWidth() - dmargin.botRight.y) {
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ty = area.botRight.y - (box.getHeight() -
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(int)((float)px.y * (float)margin.botRight.y / (float)dmargin.botRight.y));
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}
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else {
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ty = area.topLeft.y + margin.topLeft.y;
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if(horizMode == DM_Scaled) {
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ty += (int)(((double)(px.y - dmargin.topLeft.y)/
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(double)(box.getHeight() - dmargin.topLeft.y - dmargin.botRight.y))
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* (double)(area.getHeight() - margin.topLeft.y - margin.botRight.y));
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}
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else {
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ty += (px.y - dmargin.topLeft.y) % (area.getHeight() - margin.topLeft.y - margin.botRight.y);
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}
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}
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break;
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}
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return tex->isPixelActive(vec2i(tx, ty));
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}
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};
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};
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Reference in New Issue
Block a user