//-----------------------------------------------------------------------------------
void Path::Render() const
{
MeshBuilder builder;
builder.Begin();
const float TILE_SIZE = 25.0f;
for (PathNode* node : m_openList)
{
Vector2 bottomLeft = Vector2(node->position) * TILE_SIZE;
builder.AddTexturedAABB(AABB2(bottomLeft, bottomLeft + (Vector2::ONE * TILE_SIZE)), Vector2::ZERO, Vector2::ONE, RGBA(0x0000FF7F));
Renderer::instance->DrawText2D(bottomLeft, std::to_string(node->f).substr(0, 4), 0.5f, RGBA::WHITE, false, BitmapFont::CreateOrGetFontFromGlyphSheet("Runescape"));
}
for (PathNode* node : m_closedList)
{
Vector2 bottomLeft = Vector2(node->position) * TILE_SIZE;
builder.AddTexturedAABB(AABB2(bottomLeft, bottomLeft + (Vector2::ONE * TILE_SIZE)), Vector2::ZERO, Vector2::ONE, RGBA(0xFF00007F));
Renderer::instance->DrawText2D(bottomLeft, std::to_string(node->f).substr(0, 4), 0.5f, RGBA::WHITE, false, BitmapFont::CreateOrGetFontFromGlyphSheet("Runescape"));
}
for (PathNode* node : m_resultantPath)
{
Vector2 bottomLeft = Vector2(node->position) * TILE_SIZE;
builder.AddTexturedAABB(AABB2(bottomLeft, bottomLeft + (Vector2::ONE * TILE_SIZE)), Vector2::ZERO, Vector2::ONE, RGBA(0x00FF007F));
}
Vector2 bottomLeft = (Vector2(m_currentGoal) * TILE_SIZE);
builder.AddTexturedAABB(AABB2(bottomLeft, bottomLeft + (Vector2::ONE * TILE_SIZE)), Vector2::ZERO, Vector2::ONE, RGBA(0x00FF007F));
builder.End();
Mesh* mesh = new Mesh();
builder.CopyToMesh(mesh, &Vertex_PCUTB::Copy, sizeof(Vertex_PCUTB), &Vertex_PCUTB::BindMeshToVAO);
MeshRenderer* renderer = new MeshRenderer(mesh, Renderer::instance->m_defaultMaterial);
renderer->Render();
delete mesh;
}
//-----------------------------------------------------------------------------------
void Renderer::DrawText2D(const Vector2& position, const std::string& asciiText, float scale, const RGBA& tint /*= RGBA::WHITE*/, bool drawShadow /*= false*/, const BitmapFont* font /*= nullptr*/, const Vector2& right /*= Vector3::UNIT_X*/, const Vector2& up /*= Vector3::UNIT_Z*/)
{
//To be used when I expand this method to 3D text
UNUSED(up);
UNUSED(right);
if (asciiText.empty())
{
return;
}
if (font == nullptr)
{
font = m_defaultFont;
}
int stringLength = asciiText.size();
Vector2 cursorPosition = position + (Vector2::UNIT_Y * (float)font->m_maxHeight * scale);
const Glyph* previousGlyph = nullptr;
MeshBuilder builder;
builder.Begin();
for (int i = 0; i < stringLength; i++)
{
unsigned char currentCharacter = asciiText[i];
const Glyph* glyph = font->GetGlyph(currentCharacter);
float glyphWidth = static_cast<float>(glyph->width) * scale;
float glyphHeight = static_cast<float>(glyph->height) * scale;
if (previousGlyph)
{
const Vector2 kerning = font->GetKerning(*previousGlyph, *glyph);
cursorPosition += (kerning * scale);
}
Vector2 offset = Vector2(glyph->xOffset * scale, -glyph->yOffset * scale);
Vector2 topRight = cursorPosition + offset + Vector2(glyphWidth, 0.0f);
Vector2 bottomLeft = cursorPosition + offset - Vector2(0.0f, glyphHeight);
AABB2 quadBounds = AABB2(bottomLeft, topRight);
AABB2 glyphBounds = font->GetTexCoordsForGlyph(*glyph);
if (drawShadow)
{
float shadowWidthOffset = glyphWidth / 10.0f;
float shadowHeightOffset = glyphHeight / -10.0f;
Vector2 shadowOffset = Vector2(shadowWidthOffset, shadowHeightOffset);
AABB2 shadowBounds = AABB2(bottomLeft + shadowOffset, topRight + shadowOffset);
builder.AddTexturedAABB(shadowBounds, glyphBounds.mins, glyphBounds.maxs, RGBA::BLACK);
}
builder.AddTexturedAABB(quadBounds, glyphBounds.mins, glyphBounds.maxs, tint);
cursorPosition.x += glyph->xAdvance * scale;
previousGlyph = glyph;
}
builder.End();
Mesh* mesh = new Mesh();
builder.CopyToMesh(mesh, &Vertex_PCUTB::Copy, sizeof(Vertex_PCUTB), &Vertex_PCUTB::BindMeshToVAO);
mesh->m_drawMode = DrawMode::TRIANGLES;
MeshRenderer* thingToRender = new MeshRenderer(mesh, font->GetMaterial());
m_defaultMaterial->SetMatrices(Matrix4x4::IDENTITY, m_viewStack.GetTop(), m_projStack.GetTop());
GL_CHECK_ERROR();
thingToRender->Render();
delete mesh;
delete thingToRender;
}
//-----------------------------------------------------------------------------------
void Renderer::DrawText2D
( const Vector2& startBottomLeft
, const std::string& asciiText
, float cellWidth
, float cellHeight
, const RGBA& tint /*= RGBA::WHITE*/
, bool drawShadow /*= false*/
, const BitmapFont* font /*= nullptr*/)
{
const float SHADOW_WIDTH_OFFSET = cellWidth / 10.0f;
const float SHADOW_HEIGHT_OFFSET = cellHeight / -10.0f;
const Vector2 SHADOW_OFFSET = Vector2(SHADOW_WIDTH_OFFSET, SHADOW_HEIGHT_OFFSET);
if (asciiText.empty())
{
return;
}
MeshBuilder builder;
builder.Begin();
if (font == nullptr)
{
font = m_defaultFont;
}
int stringLength = asciiText.size();
Vector2 currentPosition = startBottomLeft;
for (int i = 0; i < stringLength; i++)
{
unsigned char currentCharacter = asciiText[i];
Vector2 topRight = currentPosition + Vector2(cellWidth, cellHeight);
AABB2 quadBounds = AABB2(currentPosition, topRight);
AABB2 glyphBounds = font->GetTexCoordsForGlyph(currentCharacter);
if (drawShadow)
{
AABB2 shadowBounds = AABB2(currentPosition + SHADOW_OFFSET, topRight + SHADOW_OFFSET);
builder.AddTexturedAABB(shadowBounds, glyphBounds.mins, glyphBounds.maxs, RGBA::BLACK);
}
builder.AddTexturedAABB(quadBounds, glyphBounds.mins, glyphBounds.maxs, tint);
currentPosition.x += cellWidth;
}
builder.End();
Mesh* mesh = new Mesh();
builder.CopyToMesh(mesh, &Vertex_PCUTB::Copy, sizeof(Vertex_PCUTB), &Vertex_PCUTB::BindMeshToVAO);
mesh->m_drawMode = DrawMode::TRIANGLES;
MeshRenderer* thingToRender = new MeshRenderer(mesh, font->GetMaterial());
m_defaultMaterial->SetMatrices(Matrix4x4::IDENTITY, m_viewStack.GetTop(), m_projStack.GetTop());
GL_CHECK_ERROR();
thingToRender->Render();
delete mesh;
delete thingToRender;
}
