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minimap test: zoom and pan of the image

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This commit is contained in:
minjaesong
2019-03-04 08:46:36 +09:00
parent d979332cbf
commit aaa745ff94
5 changed files with 154 additions and 11 deletions
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106
src/net/torvald/terrarum/modulebasegame/ui/UIInventoryFull.kt
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@@ -1,10 +1,12 @@
package net.torvald.terrarum.modulebasegame.ui
import com.badlogic.gdx.Gdx
import com.badlogic.gdx.graphics.Camera
import com.badlogic.gdx.graphics.Color
import com.badlogic.gdx.Input
import com.badlogic.gdx.graphics.*
import com.badlogic.gdx.graphics.g2d.SpriteBatch
import com.badlogic.gdx.graphics.glutils.FrameBuffer
import com.badlogic.gdx.graphics.glutils.ShapeRenderer
import com.jme3.math.Vector2f
import net.torvald.terrarum.*
import net.torvald.terrarum.AppLoader.printdbg
import net.torvald.terrarum.Terrarum.gamepadLabelEast
@@ -15,6 +17,7 @@ import net.torvald.terrarum.Terrarum.gamepadLabelRStick
import net.torvald.terrarum.Terrarum.gamepadLabelRT
import net.torvald.terrarum.Terrarum.gamepadLabelStart
import net.torvald.terrarum.Terrarum.gamepadLabelWest
import net.torvald.terrarum.blockstats.MinimapComposer
import net.torvald.terrarum.gameactors.ActorWBMovable
import net.torvald.terrarum.langpack.Lang
import net.torvald.terrarum.modulebasegame.Ingame
@@ -39,8 +42,6 @@ class UIInventoryFull(
doNotWarnConstant: Boolean = false
) : UICanvas(toggleKeyLiteral, toggleButtonLiteral, customPositioning, doNotWarnConstant) {
// FIXME something's causing memory leak
private val debugvals = false
override var width: Int = Terrarum.WIDTH
@@ -155,7 +156,7 @@ class UIInventoryFull(
private val transitionalUpdateUIs = ArrayList<UIItem>()
private val transitionalUpdateUIoriginalPosX = ArrayList<Int>()
private fun addToTransitionalGroup(item: UIItem) {
transitionalUpdateUIs.add(item)
@@ -343,20 +344,105 @@ class UIInventoryFull(
private val MINIMAP_WIDTH = 800f
private val MINIMAP_HEIGHT = UIItemInventoryDynamicList.HEIGHT.toFloat()
private val MINIMAP_SKYCOL = Color(0x88bbddff.toInt())
private var minimapZoom = 1f
private var minimapPanX = -MinimapComposer.totalWidth / 2f
private var minimapPanY = -MinimapComposer.totalHeight / 2f
private val MINIMAP_ZOOM_MIN = 0.25f
private val MINIMAP_ZOOM_MAX = 8f
private val minimapFBO = FrameBuffer(Pixmap.Format.RGBA8888, MINIMAP_WIDTH.toInt(), MINIMAP_HEIGHT.toInt(), false)
private val minimapCamera = OrthographicCamera(MINIMAP_WIDTH, MINIMAP_HEIGHT)
private fun renderScreenMinimap(batch: SpriteBatch, camera: Camera) {
blendNormal(batch)
// update map panning
if (currentScreen >= 2f - epsilon) {
// if left click is down and cursor is in the map area
if (Gdx.input.isButtonPressed(AppLoader.getConfigInt("mouseprimary")) &&
Terrarum.mouseScreenY in itemList.posY..itemList.posY + itemList.height) {
minimapPanX += Terrarum.mouseDeltaX / minimapZoom
minimapPanY += Terrarum.mouseDeltaY / minimapZoom
}
if (Gdx.input.isKeyPressed(Input.Keys.NUM_1)) {
minimapZoom *= (1f / 1.02f)
}
if (Gdx.input.isKeyPressed(Input.Keys.NUM_2)) {
minimapZoom *= 1.02f
}
if (Gdx.input.isKeyPressed(Input.Keys.NUM_3)) {
minimapZoom = 1f
minimapPanX = -MinimapComposer.totalWidth / 2f
minimapPanY = -MinimapComposer.totalHeight / 2f
}
try {
//minimapPanX = minimapPanX.coerceIn(-(MinimapComposer.totalWidth * minimapZoom) + MINIMAP_WIDTH, 0f) // un-comment this line to constain the panning over x-axis
} catch (e: IllegalArgumentException) { }
try {
//minimapPanY = minimapPanY.coerceIn(-(MinimapComposer.totalHeight * minimapZoom) + MINIMAP_HEIGHT, 0f)
} catch (e: IllegalArgumentException) { }
minimapZoom = minimapZoom.coerceIn(MINIMAP_ZOOM_MIN, MINIMAP_ZOOM_MAX)
// make image to roll over for x-axis. This is for the ROUNDWORLD implementation, feel free to remove below.
}
// render minimap
batch.end()
minimapFBO.inAction(minimapCamera, batch) {
// whatever.
val t = MinimapComposer.tempTex
t.forEach { it.setWrap(Texture.TextureWrap.Repeat, Texture.TextureWrap.Repeat) }
batch.inUse {
// [ 1 0 0 ] [ s 0 0 ] [ s 0 0 ]
// [ 0 1 0 ] x [ 0 s 0 ] = [ 0 s 0 ]
// [ px py 1 ] [ w/2 h/2 1 ] [ tx ty 1 ]
//
// https://www.wolframalpha.com/input/?i=%7B%7B1,0,0%7D,%7B0,1,0%7D,%7Bp_x,p_y,1%7D%7D+*+%7B%7Bs,0,0%7D,%7B0,s,0%7D,%7Bw%2F2,h%2F2,1%7D%7D
val halfWindow = Vector2f(0.5f * MINIMAP_WIDTH, 0.5f * MINIMAP_HEIGHT)
val p = arrayOf(
Vector2f(minimapPanX, minimapPanY).mult(minimapZoom).add(halfWindow),
Vector2f(minimapPanX + t[0].width, minimapPanY).mult(minimapZoom).add(halfWindow),
Vector2f(minimapPanX, minimapPanY + t[0].height).mult(minimapZoom).add(halfWindow),
Vector2f(minimapPanX + t[0].width, minimapPanY + t[0].height).mult(minimapZoom).add(halfWindow)
)
// sky background
batch.color = MINIMAP_SKYCOL
batch.fillRect(0f, 0f, MINIMAP_WIDTH, MINIMAP_HEIGHT)
// the actual image
batch.color = Color.WHITE
repeat(4) {
batch.draw(t[it], p[it].x, p[it].y + t[it].height * minimapZoom, t[it].width * minimapZoom, -t[it].height * minimapZoom)
}
}
}
batch.begin()
//Terrarum.fontSmallNumbers.draw(batch, "$minimapPanX, $minimapPanY; x$minimapZoom", 10f, 10f)
batch.projectionMatrix = camera.combined
// 1px stroke
batch.color = Color.WHITE
batch.fillRect(-1 + minimapScrOffX + (Terrarum.WIDTH - MINIMAP_WIDTH) / 2, -1 + itemList.posY.toFloat(), 2 + MINIMAP_WIDTH, 2 + MINIMAP_HEIGHT)
// sky background
batch.color = MINIMAP_SKYCOL
batch.fillRect(minimapScrOffX + (Terrarum.WIDTH - MINIMAP_WIDTH) / 2, itemList.posY.toFloat(), MINIMAP_WIDTH, MINIMAP_HEIGHT)
// control hints
batch.color = Color.WHITE
Terrarum.fontGame.draw(batch, minimapControlHelp, offsetX + minimapScrOffX, yEnd - 20)
// the minimap
batch.draw(minimapFBO.colorBufferTexture, minimapScrOffX + (Terrarum.WIDTH - MINIMAP_WIDTH) / 2, itemList.posY.toFloat())
}
private fun renderScreenGamemenu(batch: SpriteBatch, camera: Camera) {
@@ -507,6 +593,6 @@ class UIInventoryFull(
override fun scrolled(amount: Int): Boolean {
return super.scrolled(amount)
}
}
}