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#pragma once
#include "globalincs/pstypes.h"
#include "2d.h"
namespace graphics {
/**
* @brief A class for batching multiple line draw operations together
*
* This should be used when a lot of lines are going to be rendered together. The actual rendering operation will only
* be done once flush() is called so the lines may overlap other objects that were rendered after the line was added to
* this class.
*/
class line_draw_list {
struct line_vertex {
vec2d position;
vec4 color;
};
SCP_vector<line_vertex> _line_vertices;
void add_vertex(int x, int y, int resize_mode, const color* color);
public:
line_draw_list();
/**
* @brief Adds a line to this draw list. The coordinates are screen pixel positions.
* @param x1 Start X-Coordinate of the line
* @param y1 Start Y-Coordinate of the line
* @param x2 End X-Coordinate of the line
* @param y2 End Y-Coordinate of the line
* @param resize_mode The resize mode of the screen position
*/
void add_line(int x1, int y1, int x2, int y2, int resize_mode = GR_RESIZE_FULL);
/**
* @brief Adds a gradient to this draw list. The coordinates are screen pixel positions.
*
* A gradient is like a normal line but line will fade out towards the end of the line.
*
* @param x1 Start X-Coordinate of the line
* @param y1 Start Y-Coordinate of the line
* @param x2 End X-Coordinate of the line
* @param y2 End Y-Coordinate of the line
* @param resize_mode The resize mode of the screen position
*/
void add_gradient(int x1, int y1, int x2, int y2, int resize_mode = GR_RESIZE_FULL);
/**
* @brief Flushes the stored line draws
*
* This will clear al previously drawn line segments so after this is called the instance can be filled with new
* line draws.
*/
void flush();
};
}
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