From 7384f5ca3475a0022a1cb73d1adb754b7d7ab405 Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sun, 8 Oct 2017 14:49:49 +0200
Subject: [PATCH] new message styles

---
 basegraph.cpp | 64 ++++++++++++++++++++++++++++++++++++++++++++++-----
 config.cpp    | 14 +++++++++++
 hud.cpp       |  6 ++---
 hyper.h       |  2 ++
 4 files changed, 77 insertions(+), 9 deletions(-)

diff --git a/basegraph.cpp b/basegraph.cpp
index b10111b1..4813cc6f 100644
--- a/basegraph.cpp
+++ b/basegraph.cpp
@@ -762,27 +762,79 @@ int colormix(int a, int b, int c) {
   return a;
   }
 
+int rhypot(int a, int b) { return (int) sqrt(a*a - b*b); }
+
+void drawmessage(const string& s, int& y, int col) {
+  int rrad = min(vid.radius, min(vid.xres, vid.yres) / 2);
+  int space;
+  if(y > vid.ycenter + rrad)
+    space = vid.xres;
+  else if(y > vid.ycenter)
+    space = vid.xcenter - rhypot(rrad, y-vid.ycenter);
+  else if(y > vid.ycenter - vid.fsize)
+    space = vid.xcenter - rrad;
+  else if(y > vid.ycenter - vid.fsize - rrad)
+    space = vid.xcenter - rhypot(rrad, vid.ycenter-vid.fsize-y);
+  else
+    space = vid.xres;
+
+  if(textwidth(vid.fsize, s) <= space) {
+    displayfr(0, y, 1, vid.fsize, s, col, 0);
+    y -= vid.fsize;
+    return;
+    }
+
+  for(int i=1; i<size(s); i++)
+    if(s[i-1] == ' ' && textwidth(vid.fsize, "..."+s.substr(i)) <= space) {    
+      displayfr(0, y, 1, vid.fsize, "..."+s.substr(i), col, 0);
+      y -= vid.fsize;
+      drawmessage(s.substr(0, i-1), y, col);
+      return;
+      }  
+
+  // no chance
+  displayfr(0, y, 1, vid.fsize, s, col, 0);
+  y -= vid.fsize;
+  return;
+  }
+
 void drawmessages() {
   DEBB(DF_GRAPH, (debugfile,"draw messages\n"));
   int i = 0;
   int t = ticks;
-  for(int j=0; j<size(msgs) && j<5; j++) {
+  for(int j=0; j<size(msgs); j++) {
+    if(j < size(msgs) - vid.msglimit) continue;
     int age = msgs[j].flashout * (t - msgs[j].stamp);
     if(msgs[j].spamtype) {
       for(int i=j+1; i<size(msgs); i++) if(msgs[i].spamtype == msgs[j].spamtype)
         msgs[j].flashout = 2;
       }
-    if(age < 256*vid.flashtime) {
-      int x = vid.xres / 2;
+    if(age < 256*vid.flashtime)
+      msgs[i++] = msgs[j];
+    }
+  msgs.resize(i);
+  if(vid.msgleft == 2) {
+    int y = vid.yres - vid.fsize - (ISIOS ? 4 : 0);
+    for(int j=size(msgs)-1; j>=0; j--) {
+      int age = msgs[j].flashout * (t - msgs[j].stamp);
+      poly_outline = gradient(bordcolor, backcolor, 0, age, 256*vid.flashtime) << 8;
+      int col = gradient(forecolor, backcolor, 0, age, 256*vid.flashtime);
+      string s = msgs[j].msg;
+      if(msgs[j].quantity > 1) s += " (x" + its(msgs[j].quantity) + ")";
+      drawmessage(s, y, col);
+      }
+    }
+  else {
+    for(int j=0; j<size(msgs); j++) {
+      int age = msgs[j].flashout * (t - msgs[j].stamp);
+      int x = vid.msgleft ? 0 : vid.xres / 2;
       int y = vid.yres - vid.fsize * (size(msgs) - j) - (ISIOS ? 4 : 0);
       string s = msgs[j].msg;
       if(msgs[j].quantity > 1) s += " (x" + its(msgs[j].quantity) + ")";
       poly_outline = gradient(bordcolor, backcolor, 0, age, 256*vid.flashtime) << 8;
-      displayfr(x, y, 1, vid.fsize, s, gradient(forecolor, backcolor, 0, age, 256*vid.flashtime), 8);
-      msgs[i++] = msgs[j];
+      displayfr(x, y, 1, vid.fsize, s, gradient(forecolor, backcolor, 0, age, 256*vid.flashtime), vid.msgleft ? 0 : 8);
       }
     }
-  msgs.resize(i);
   }
 
 int gradient(int c0, int c1, ld v0, ld v, ld v1) {
diff --git a/config.cpp b/config.cpp
index deed4913..d1caabcc 100644
--- a/config.cpp
+++ b/config.cpp
@@ -301,6 +301,9 @@ void initConfig() {
   addsaverenum(specialland, "land for special modes");
   
   addsaver(viewdists, "expansion mode");
+  
+  addsaver(vid.msgleft, "message style", 2);
+  addsaver(vid.msglimit, "message limit", 5);
 
 #if CAP_SHMUP  
   shmup::initConfig();
@@ -752,6 +755,11 @@ void showBasicConfig() {
   dialog::addBoolItem(XLAT("draw circle around the target"), (vid.drawmousecircle), 'd');
   
   dialog::addSelItem(XLAT("message flash time"), its(vid.flashtime), 't');
+  dialog::addSelItem(XLAT("limit messages shown"), its(vid.msglimit), 'z');
+  
+  const char* msgstyles[3] = {"centered", "left-aligned", "line-broken"};
+  
+  dialog::addSelItem(XLAT("message style"), XLAT(msgstyles[vid.msgleft]), 'a');
 
 #if ISMOBILE
   dialog::addBoolItem(XLAT("targetting ranged Orbs long-click only"), (vid.shifttarget&2), 'i');
@@ -821,8 +829,14 @@ void showBasicConfig() {
     if(xuni == 't') 
       dialog::editNumber(vid.flashtime, 0, 64, 1, 8, XLAT("message flash time"),
         XLAT("How long should the messages stay on the screen."));
+
+    if(xuni == 'z') 
+      dialog::editNumber(vid.msglimit, 0, 64, 1, 5, XLAT("limit messages shown"),
+        XLAT("Maximum number of messages on screen."));
     
     if(xuni == 'i') { vid.shifttarget = vid.shifttarget^3; }
+    
+    if(xuni == 'a') { vid.msgleft = (1+vid.msgleft) % 3; }
   
     handleAllConfig(sym, xuni);
     };
diff --git a/hud.cpp b/hud.cpp
index f6b793c3..a168f509 100644
--- a/hud.cpp
+++ b/hud.cpp
@@ -90,7 +90,7 @@ int glyphsortkey = 0;
 
 int glyphcorner(int i) {
   if(i < ittypes)
-    return itemclass(eItem(i)) == IC_ORB ? 2 : 0;
+    return itemclass(eItem(i)) == IC_ORB ? 3 : 0;
   else
     return 1;
   }
@@ -333,7 +333,7 @@ void drawStats() {
     updatesort();
     stable_sort(glyphorder, glyphorder+glyphs, glyphsort);
     int rad = min(vid.xres, vid.yres) / 2;
-    for(int cor=0; cor<3; cor++) {
+    for(int cor=0; cor<4; cor++) {
       for(int a=5; a<41; a++) {
         int s = min(vid.xres, vid.yres) / a;
         int spots = 0;
@@ -372,7 +372,7 @@ void drawStats() {
   instat = false;
   bool portrait = vid.xres < vid.yres;
   int colspace = portrait ? (vid.yres - vid.xres - vid.fsize*3) : (vid.xres - vid.yres - 16) / 2;
-  int rowspace = portrait ? vid.xres - 16 : vid.yres - vid.fsize * 4;
+  int rowspace = portrait ? vid.xres - 16 : vid.yres - vid.fsize * (vid.msgleft ? 9 : 4);
   int colid[4], rowid[4];
   int maxbyclass[4];
   for(int z=0; z<4; z++) maxbyclass[z] = 0;
diff --git a/hyper.h b/hyper.h
index f997e8e1..a1e44329 100644
--- a/hyper.h
+++ b/hyper.h
@@ -334,6 +334,8 @@ struct videopar {
   
   int wallmode, monmode, axes;
   bool revcontrol;
+  
+  int msgleft, msglimit;
 
   // for OpenGL
   float scrdist;