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140 lines
4.9 KiB
C++
140 lines
4.9 KiB
C++
#include "../../Platform/stdafx.h"
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#include "../TextureHolder.h"
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#include "../../../Minecraft.World/Util/StringHelpers.h"
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#include "StitchSlot.h"
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StitchSlot::StitchSlot(int originX, int originY, int width, int height)
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: originX(originX), originY(originY), width(width), height(height) {
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subSlots = NULL;
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textureHolder = NULL;
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}
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TextureHolder* StitchSlot::getHolder() { return textureHolder; }
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int StitchSlot::getX() { return originX; }
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int StitchSlot::getY() { return originY; }
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bool StitchSlot::add(TextureHolder* textureHolder) {
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// Already holding a texture -- doesn't account for subslots.
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if (this->textureHolder != NULL) {
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return false;
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}
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int textureWidth = textureHolder->getWidth();
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int textureHeight = textureHolder->getHeight();
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// We're too small to fit the texture
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if (textureWidth > width || textureHeight > height) {
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return false;
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}
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// Exact fit! best-case-solution
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if (textureWidth == width && textureHeight == height && subSlots == NULL) {
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// Store somehow
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this->textureHolder = textureHolder;
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return true;
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}
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// See if we're already divided before, if not, setup subSlots
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if (subSlots == NULL) {
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subSlots = new std::vector<StitchSlot*>();
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// First slot is for the new texture
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subSlots->push_back(
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new StitchSlot(originX, originY, textureWidth, textureHeight));
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int spareWidth = width - textureWidth;
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int spareHeight = height - textureHeight;
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if (spareHeight > 0 && spareWidth > 0) {
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// Space below AND right
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//
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// <-right->
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// +-----+-------+
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// | | |
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// | Tex | |
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// | | |
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// |-----+ | ^
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// | | |- bottom
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// +-------------+ v
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// We need to add two more areas, the one with the 'biggest'
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// dimensions should be used (In the case of this ASCII drawing,
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// it's the 'right hand side' that should win)
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// The 'fattest' area should be used (or when tied, the right hand
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// one)
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int right = std::max(height, spareWidth);
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int bottom = std::max(width, spareHeight);
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if (right >= bottom) {
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subSlots->push_back(new StitchSlot(originX,
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originY + textureHeight,
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textureWidth, spareHeight));
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subSlots->push_back(new StitchSlot(
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originX + textureWidth, originY, spareWidth, height));
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} else {
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subSlots->push_back(new StitchSlot(originX + textureWidth,
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originY, spareWidth,
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textureHeight));
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subSlots->push_back(new StitchSlot(
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originX, originY + textureHeight, width, spareHeight));
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}
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} else if (spareWidth == 0) {
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// We just have space left below
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//
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// +-------------+
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// | |
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// | Tex |
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// | |
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// |-------------+ ^
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// | | |- bottom
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// +-------------+ v
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subSlots->push_back(new StitchSlot(originX, originY + textureHeight,
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textureWidth, spareHeight));
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} else if (spareHeight == 0) {
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// Only space to the right
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//
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// <-right->
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// +-----+-------+
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// | | |
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// | Tex | |
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// | | |
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// | | |
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// | | |
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// +-----+-------+
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subSlots->push_back(new StitchSlot(originX + textureWidth, originY,
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spareWidth, textureHeight));
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}
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}
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// for (final StitchSlot subSlot : subSlots)
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for (AUTO_VAR(it, subSlots->begin()); it != subSlots->end(); ++it) {
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StitchSlot* subSlot = *it;
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if (subSlot->add(textureHolder)) {
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return true;
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}
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}
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return false;
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}
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void StitchSlot::collectAssignments(std::vector<StitchSlot*>* result) {
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if (textureHolder != NULL) {
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result->push_back(this);
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} else if (subSlots != NULL) {
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// for (StitchSlot subSlot : subSlots)
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for (AUTO_VAR(it, subSlots->begin()); it != subSlots->end(); ++it) {
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StitchSlot* subSlot = *it;
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subSlot->collectAssignments(result);
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}
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}
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}
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//@Override
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std::wstring StitchSlot::toString() {
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return L"Slot{originX=" + _toString(originX) + L", originY=" +
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_toString(originY) + L", width=" + _toString(width) + L", height=" +
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_toString(height) + L", texture=" + _toString(textureHolder) +
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L", subSlots=" + _toString(subSlots) + L'}';
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} |