From 8923b7e72d3b9b4d9050569aa3c109fb3e0b1a8b Mon Sep 17 00:00:00 2001
From: kevinz000 <2003111+kevinz000@users.noreply.github.com>
Date: Wed, 4 Mar 2020 01:21:16 -0700
Subject: [PATCH] minimaps

---
 .../configuration/entries/general.dm          |   3 +
 code/controllers/subsystem/minimaps.dm        |  16 ++
 code/game/area/areas.dm                       |  12 +-
 code/modules/mapping/minimaps.dm              | 146 ++++++++++++++++++
 html/blank.png                                | Bin 0 -> 579 bytes
 tgstation.dme                                 |   2 +
 6 files changed, 178 insertions(+), 1 deletion(-)
 create mode 100644 code/controllers/subsystem/minimaps.dm
 create mode 100644 code/modules/mapping/minimaps.dm
 create mode 100644 html/blank.png

diff --git a/code/controllers/configuration/entries/general.dm b/code/controllers/configuration/entries/general.dm
index 2d9264adf5..5d18337a9f 100644
--- a/code/controllers/configuration/entries/general.dm
+++ b/code/controllers/configuration/entries/general.dm
@@ -459,3 +459,6 @@
 /datum/config_entry/number/max_bunker_days
 	config_entry_value = 7
 	min_val = 1
+
+/datum/config_entry/flag/minimaps_enabled
+	config_entry_value = TRUE
diff --git a/code/controllers/subsystem/minimaps.dm b/code/controllers/subsystem/minimaps.dm
new file mode 100644
index 0000000000..c2848f0fd3
--- /dev/null
+++ b/code/controllers/subsystem/minimaps.dm
@@ -0,0 +1,16 @@
+SUBSYSTEM_DEF(minimaps)
+	name = "Minimaps"
+	flags = SS_NO_FIRE
+	var/list/station_minimaps = list()
+
+/datum/controller/subsystem/minimaps/Initialize()
+	if(!CONFIG_GET(flag/minimaps_enabled))
+		to_chat(world, "<span class='boldwarning'>Minimaps disabled! Skipping init.</span>")
+		return ..()
+	build_minimaps()
+	return ..()
+
+/datum/controller/subsystem/minimaps/proc/build_minimaps()
+	for(var/z in SSmapping.levels_by_trait(ZTRAIT_STATION))
+		var/datum/space_level/SL = SSmapping.get_level(z)
+		station_minimaps[(SL.name == initial(SL.name))? "[z] - Station" : "[z] - [SL.name]"] = new /datum/minimap(z)
diff --git a/code/game/area/areas.dm b/code/game/area/areas.dm
index 99b8165306..b206cda3cc 100644
--- a/code/game/area/areas.dm
+++ b/code/game/area/areas.dm
@@ -63,6 +63,9 @@
 	var/xenobiology_compatible = FALSE //Can the Xenobio management console transverse this area by default?
 	var/list/canSmoothWithAreas //typecache to limit the areas that atoms in this area can smooth with
 
+	/// Color on minimaps, if it's null (which is default) it makes one at random.
+	var/minimap_color
+
 /**
   * These two vars allow for multiple unique areas to be linked to a master area
   * and share some functionalities such as APC powernet nodes, fire alarms etc, without sacrificing
@@ -96,7 +99,14 @@ GLOBAL_LIST_EMPTY(teleportlocs)
 // ===
 
 /area/New()
-	// This interacts with the map loader, so it needs to be set immediately
+	if(!minimap_color) // goes in New() because otherwise it doesn't fucking work
+		// generate one using the icon_state
+		if(icon_state && icon_state != "unknown")
+			var/icon/I = new(icon, icon_state, dir)
+			I.Scale(1,1)
+			minimap_color = I.GetPixel(1,1)
+		else // no icon state? use random.
+			minimap_color = rgb(rand(50,70),rand(50,70),rand(50,70))	// This interacts with the map loader, so it needs to be set immediately
 	// rather than waiting for atoms to initialize.
 	if (unique)
 		GLOB.areas_by_type[type] = src
diff --git a/code/modules/mapping/minimaps.dm b/code/modules/mapping/minimaps.dm
new file mode 100644
index 0000000000..3b4f1e130d
--- /dev/null
+++ b/code/modules/mapping/minimaps.dm
@@ -0,0 +1,146 @@
+/datum/minimap
+	var/icon/map_icon
+	var/icon/meta_icon
+	var/icon/overlay_icon
+	var/list/color_area_names = list()
+	var/minx
+	var/maxx
+	var/miny
+	var/maxy
+	var/z_level
+	var/id = 0
+	var/static/next_id = 0
+
+/datum/minimap/New(z, x1 = 1, y1 = 1, x2 = world.maxx, y2 = world.maxy)
+	id = ++next_id
+	z_level = z
+
+	var/crop_x1 = x2
+	var/crop_x2 = x1
+	var/crop_y1 = y2
+	var/crop_y2 = y1
+
+	// do the generating
+	map_icon = new('html/blank.png')
+	meta_icon = new('html/blank.png')
+	map_icon.Scale(x2-x1+1, y2-y1+1) // arrays start at 1
+	meta_icon.Scale(x2-x1+1, y2-y1+1)
+	var/list/area_to_color = list()
+	for(var/turf/T in block(locate(x1,y1,z),locate(x2,y2,z)))
+		var/area/A = T.loc
+		var/img_x = T.x - x1 + 1 // arrays start at 1
+		var/img_y = T.y - y1 + 1
+		if(!istype(A, /area/space) || istype(T, /turf/closed/wall))
+			crop_x1 = min(crop_x1, T.x)
+			crop_x2 = max(crop_x2, T.x)
+			crop_y1 = min(crop_y1, T.y)
+			crop_y2 = max(crop_y2, T.y)
+		var/meta_color = area_to_color[A]
+		if(!meta_color)
+			meta_color = rgb(rand(0,255),rand(0,255),rand(0,255)) // technically conflicts could happen but it's like very unlikely and it's not that big of a deal if one happens
+			area_to_color[A] = meta_color
+			color_area_names[meta_color] = A.name
+		meta_icon.DrawBox(meta_color, img_x, img_y)
+		if(istype(T, /turf/closed/wall))
+			map_icon.DrawBox("#000000", img_x, img_y)
+		else if(!istype(A, /area/space))
+			var/color = A.minimap_color || "#FF00FF"
+			if(locate(/obj/machinery/power/solar) in T)
+				color = "#02026a"
+			if((locate(/obj/effect/spawner/structure/window) in T) || (locate(/obj/structure/grille) in T))
+				color = BlendRGB(color, "#000000", 0.5)
+			map_icon.DrawBox(color, img_x, img_y)
+	map_icon.Crop(crop_x1, crop_y1, crop_x2, crop_y2)
+	meta_icon.Crop(crop_x1, crop_y1, crop_x2, crop_y2)
+	minx = crop_x1
+	maxx = crop_x2
+	miny = crop_y1
+	maxy = crop_y2
+	overlay_icon = new(map_icon)
+	overlay_icon.Scale(16, 16)
+
+/datum/minimap/proc/send(mob/user)
+	register_asset("minimap-[id].png", map_icon)
+	register_asset("minimap-[id]-meta.png", meta_icon)
+	send_asset_list(user, list("minimap-[id].png" = map_icon, "minimap-[id]-meta.png" = meta_icon), verify=FALSE)
+
+/datum/minimap_group
+	var/list/minimaps = list()
+	var/static/next_id = 0
+	var/id = ++next_id
+
+/datum/minimap_group/proc/show(mob/user)
+	if(!length(minimaps))
+		to_chat(user, "<span class='boldwarning'>ERROR: Attempted to access an empty datum/minimap_group. This should probably not happen.</span>")
+		return
+	var/list/datas = list()
+	var/list/info = list()
+	for(var/i in 1 to length(minimaps))
+		var/datum/minimap/M = minimaps[i]
+		M.send(user)
+		info += "<img src='minimap-[map.id].png' id='map-[i]'><img src='minimap-[map.id]-meta.png' style='display: none' id='map-[i]-meta'><div id='label-[i]'></div>"
+		datas += json_encode(map.color_area_names);
+	info = info.Join()
+
+	var/html = {"
+<!DOCTYPE html>
+<HTML>
+<HEAD>
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<script>
+function hexify(num) {
+	if(!num) num = 0;
+	num = num.toString(16);
+	if(num.length == 1) num = "0" + num;
+	return num;
+}
+window.onload = function() {
+	var datas = \[[jointext(datas, ",")]]
+	if(window.HTMLCanvasElement) {
+		for(var i = 0; i < [minimaps.len]; i++) {
+			(function() {
+				var data = datas\[i];
+				var img = document.getElementById("map-" + (i+1));
+				if(!img) return;
+				var canvas = document.createElement("canvas");
+				canvas.width = img.width * 2;
+				canvas.height = img.height * 2;
+				var ctx = canvas.getContext('2d');
+				ctx.msImageSmoothingEnabled = false;
+				ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
+				img.parentNode.replaceChild(canvas, img);
+				ctx = document.createElement("canvas").getContext('2d');
+				ctx.canvas.width = img.width;
+				ctx.canvas.height = img.height;
+				ctx.drawImage(document.getElementById("map-" + (i+1) + "-meta"), 0, 0);
+				var imagedata = ctx.getImageData(0, 0, img.width, img.height);
+				var label = document.getElementById("label-" + (i+1));
+				canvas.onmousemove = function(e) {
+					var rect = canvas.getBoundingClientRect();
+					var x = Math.floor(e.offsetX * img.width / rect.width);
+					var y = Math.floor(e.offsetY * img.height / rect.height);
+					var color_idx = x * 4 + (y * 4 * imagedata.width);
+					var color = "#" + hexify(imagedata.data\[color_idx]) + hexify(imagedata.data\[color_idx+1]) + hexify(imagedata.data\[color_idx+2]);
+					label.textContent = data\[color];
+					canvas.title = data\[color];
+				}
+				canvas.onmouseout = function(e) {
+					label.textContent = "";
+					canvas.title = "";
+				}
+			})();
+		}
+	}
+}
+</script>
+<STYLE>
+	img, canvas {
+		width: 100%
+	}
+</STYLE>
+<TITLE>[name]</TITLE>
+</HEAD>
+<BODY>[info]</BODY>
+</HTML>"}
+
+	user << browse(html, "window=minimap_[id];size=768x[round(768 / first_map.map_icon.Width() * first_map.map_icon.Height() + 50)]")
diff --git a/html/blank.png b/html/blank.png
new file mode 100644
index 0000000000000000000000000000000000000000..86c96304851e938245b5208cc2eccaee3e28550f
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/tgstation.dme b/tgstation.dme
index 73beef27e5..8dc1544404 100755
--- a/tgstation.dme
+++ b/tgstation.dme
@@ -269,6 +269,7 @@
 #include "code\controllers\subsystem\mapping.dm"
 #include "code\controllers\subsystem\materials.dm"
 #include "code\controllers\subsystem\medals.dm"
+#include "code\controllers\subsystem\minimaps.dm"
 #include "code\controllers\subsystem\minor_mapping.dm"
 #include "code\controllers\subsystem\mobs.dm"
 #include "code\controllers\subsystem\moods.dm"
@@ -2046,6 +2047,7 @@
 #include "code\modules\lighting\lighting_turf.dm"
 #include "code\modules\mapping\dmm_suite.dm"
 #include "code\modules\mapping\map_template.dm"
+#include "code\modules\mapping\minimaps.dm"
 #include "code\modules\mapping\preloader.dm"
 #include "code\modules\mapping\reader.dm"
 #include "code\modules\mapping\ruins.dm"