func (ms *ManaSource) Draw(local *LocalData, zoom float64, dx float64, dy float64) {
if local.nodeTextureData == nil {
// gl.Enable(gl.TEXTURE_2D)
local.nodeTextureData = make([]byte, ms.options.NumNodeRows*ms.options.NumNodeCols*3)
gl.GenTextures(1, &local.nodeTextureId)
gl.BindTexture(gl.TEXTURE_2D, local.nodeTextureId)
gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
gl.TexImage2D(
gl.TEXTURE_2D,
0,
gl.RGB,
gl.Sizei(ms.options.NumNodeRows),
gl.Sizei(ms.options.NumNodeCols),
0,
gl.RGB,
gl.UNSIGNED_BYTE,
gl.Pointer(&local.nodeTextureData[0]))
}
for i := range ms.rawNodes {
for c := 0; c < 3; c++ {
color_frac := ms.rawNodes[i].Mana[c] * 1.0 / ms.options.NodeMagnitude
color_range := float64(ms.options.MaxNodeBrightness - ms.options.MinNodeBrightness)
local.nodeTextureData[i*3+c] = byte(
color_frac*color_range + float64(ms.options.MinNodeBrightness))
}
}
gl.Enable(gl.TEXTURE_2D)
//gl.ActiveTexture(gl.TEXTURE0)
gl.BindTexture(gl.TEXTURE_2D, local.nodeTextureId)
gl.TexSubImage2D(
gl.TEXTURE_2D,
0,
0,
0,
gl.Sizei(ms.options.NumNodeRows),
gl.Sizei(ms.options.NumNodeCols),
gl.RGB,
gl.UNSIGNED_BYTE,
gl.Pointer(&local.nodeTextureData[0]))
base.EnableShader("nodes")
base.SetUniformI("nodes", "width", ms.options.NumNodeRows*3)
base.SetUniformI("nodes", "height", ms.options.NumNodeCols*3)
base.SetUniformI("nodes", "drains", 1)
base.SetUniformI("nodes", "tex0", 0)
base.SetUniformI("nodes", "tex1", 1)
base.SetUniformF("nodes", "zoom", float32(zoom))
gl.ActiveTexture(gl.TEXTURE0)
gl.BindTexture(gl.TEXTURE_2D, local.nodeTextureId)
// I have no idea why this value for move works, but it does. So, hooray.
move := (dx - dy) / 2
texture.RenderAdvanced(move, -move, dy, dx, 3.1415926535/2, true)
base.EnableShader("")
gl.Disable(gl.TEXTURE_2D)
}
func (ms *ManaSource) Draw(gw *GameWindow, dx float64, dy float64) {
if gw.nodeTextureData == nil {
// gl.Enable(gl.TEXTURE_2D)
gw.nodeTextureData = make([]byte, ms.options.NumNodeRows*ms.options.NumNodeCols*3)
gl.GenTextures(1, &gw.nodeTextureId)
gl.BindTexture(gl.TEXTURE_2D, gw.nodeTextureId)
gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameterf(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
gl.TexImage2D(
gl.TEXTURE_2D,
0,
gl.RGB,
gl.Sizei(ms.options.NumNodeCols),
gl.Sizei(ms.options.NumNodeRows),
0,
gl.RGB,
gl.UNSIGNED_BYTE,
gl.Pointer(&gw.nodeTextureData[0]))
// gl.ActiveTexture(gl.TEXTURE1)
gl.GenTextures(1, &gw.nodeWarpingTexture)
gl.BindTexture(gl.TEXTURE_1D, gw.nodeWarpingTexture)
gl.TexEnvf(gl.TEXTURE_ENV, gl.TEXTURE_ENV_MODE, gl.MODULATE)
gl.TexParameterf(gl.TEXTURE_1D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_1D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
gl.TexParameterf(gl.TEXTURE_1D, gl.TEXTURE_WRAP_S, gl.REPEAT)
gl.TexParameterf(gl.TEXTURE_1D, gl.TEXTURE_WRAP_T, gl.REPEAT)
gw.nodeWarpingData = make([]byte, 4*10)
gl.TexImage1D(
gl.TEXTURE_1D,
0,
gl.RGBA,
gl.Sizei(len(gw.nodeWarpingData)/4),
0,
gl.RGBA,
gl.UNSIGNED_BYTE,
gl.Pointer(&gw.nodeWarpingData[0]))
}
for x := range ms.nodes {
for y, node := range ms.nodes[x] {
pos := 3 * (y*ms.options.NumNodeCols + x)
for c := 0; c < 3; c++ {
color_frac := node.Mana[c] * 1.0 / ms.options.NodeMagnitude
color_range := float64(ms.options.MaxNodeBrightness - ms.options.MinNodeBrightness)
gw.nodeTextureData[pos+c] = byte(
color_frac*color_range + float64(ms.options.MinNodeBrightness))
}
}
}
gl.Enable(gl.TEXTURE_1D)
gl.Enable(gl.TEXTURE_2D)
//gl.ActiveTexture(gl.TEXTURE0)
gl.BindTexture(gl.TEXTURE_2D, gw.nodeTextureId)
gl.TexSubImage2D(
gl.TEXTURE_2D,
0,
0,
0,
gl.Sizei(ms.options.NumNodeCols),
gl.Sizei(ms.options.NumNodeRows),
gl.RGB,
gl.UNSIGNED_BYTE,
gl.Pointer(&gw.nodeTextureData[0]))
gl.ActiveTexture(gl.TEXTURE1)
for i, ent := range gw.game.Ents {
p := ent.Pos()
gw.nodeWarpingData[3*i+0] = byte(p.X / float64(gw.game.Dx) * 255)
gw.nodeWarpingData[3*i+1] = -byte(p.Y / float64(gw.game.Dy) * 255)
gw.nodeWarpingData[3*i+2] = 255
}
gl.TexImage1D(
gl.TEXTURE_1D,
0,
gl.RGBA,
gl.Sizei(len(gw.nodeWarpingData)/4),
0,
gl.RGBA,
gl.UNSIGNED_BYTE,
gl.Pointer(&gw.nodeWarpingData[0]))
base.EnableShader("nodes")
base.SetUniformI("nodes", "width", ms.options.NumNodeCols)
base.SetUniformI("nodes", "height", ms.options.NumNodeRows)
base.SetUniformI("nodes", "drains", 1)
base.SetUniformI("nodes", "tex0", 0)
base.SetUniformI("nodes", "tex1", 1)
gl.ActiveTexture(gl.TEXTURE1)
gl.BindTexture(gl.TEXTURE_1D, gw.nodeWarpingTexture)
gl.ActiveTexture(gl.TEXTURE0)
gl.BindTexture(gl.TEXTURE_2D, gw.nodeTextureId)
texture.Render(0, dy, dx, -dy)
base.EnableShader("")
gl.Disable(gl.TEXTURE_2D)
gl.Disable(gl.TEXTURE_1D)
}